Throughout human evolution, having only one single hominin species alive, as is the case today, was the exception rather than the norm.
In the past, multiple hominin species coexisted simultaneously. The reason for the current situation of having only one hominin species (Homo sapiens) is primarily due to various factors like migration, competition for resources, and interbreeding.
As hominins evolved and adapted to their environments, some species went extinct while others continued to evolve. This process occurred over millions of years, during which multiple hominin species existed together.
For example, Homo sapiens coexisted with Neanderthals and Denisovans in the same geographical areas for a time.
As Homo sapiens migrated to new areas, they outcompeted other hominin species for resources and sometimes interbred with them, leading to their extinction. Eventually, Homo sapiens became the sole surviving hominin species on Earth.
To know more about hominin species click on below link:
https://brainly.com/question/29104697#
#SPJ11
water has been cycling on this planet for approximately 3.8 billion years. when earth was formed 4.6 billion years ago, water was not present. at some point, most likely due to the action of volcanoes, hydrogen and oxygen gases were released from molten rock forming water vapor and the first clouds in the atmosphere. what was the next step that had to occur in order for the water cycle to begin? a. clouds would have precipitated cooling the surface of earth. b. lightning from the clouds would have fixed nitrogen in the atmosphere. c. clouds would have dissipated due to the extreme heat of the earth's surface. d. some of the oxygen in the atmosphere would interact with uv radiation to form ozone.
The next step that had to occur in order for the water cycle to begin after the formation of the first clouds was for the clouds to precipitate and cool the surface of the Earth.
As the water vapor in the atmosphere cooled, it condensed into liquid droplets, forming clouds. These clouds then released their moisture in the form of precipitation, such as rain, which fell to the Earth's surface. This precipitation cooled the surface of the Earth and allowed the water cycle to begin.
The water cycle refers to the constant circulation of water around the earth's surface, which includes the earth's surface and atmosphere, as well as between the ground and the sky. The water cycle describes the complete journey of water, which is continually being cycled from the atmosphere to the earth's surface and back again.
Option B, lightning from the clouds fixing nitrogen in the atmosphere, is a process that can occur in the atmosphere, but it is not a necessary step for the water cycle to begin.
Option C, clouds dissipating due to the extreme heat of the Earth's surface, is not a necessary step for the water cycle to begin as the presence of clouds is what allows for the water cycle to begin in the first place.
For more question on droplets
https://brainly.com/question/13661049
#SPJ11
Write one function of tentacles in hydra
Answer:
to stun animals like the water flea, Daphnia, before eating them alive, and to protect themselves from attack by other animals.
Explanation:
Hydra tentacles contain barbed, poison containing cnidocytes that they use to stun animals like the water flea, Daphnia, before eating them alive, and to protect themselves from attack by other animals.
in the troposphere, temperatures generally decrease with altitude. occasionally, an area will experience the opposite, where temperatures increase with altitude. this situation is referred to as
Answer:
The Stratosphere temperatures increase whith altitude
In the troposphere, when temperatures increase with altitude instead of decreasing, this situation is referred to as a temperature inversion.
In the troposphere, temperatures generally decrease with altitude. Occasionally, an area will experience the opposite, where temperatures increase with altitude. This situation is referred to as a temperature inversion.What is a temperature inversion?A temperature inversion refers to a situation in which the temperature in the atmosphere increases with altitude, contrary to the normal drop in temperature with height as one moves away from the Earth's surface. Temperature inversions can occur in the troposphere, where the temperature generally decreases with altitude, but a temperature inversion arises when a layer of cool air becomes trapped beneath a layer of warm air. Inversions are most frequent during the winter months when the air near the Earth's surface is chilled. Thus, the answer to this question is a temperature inversion.
Know more about Troposphere here;
https://brainly.com/question/30827755
#SPJ11
PLEASE HELP, i need help on What impact did slavery have on the economic growth of the Aztec civilization??? i need to atleast right one sentence, i need it right now!!! asap please help anyone.
The correct answer is there is no evidence that the Aztec civilization practiced slavery. The Aztecs did have a system of forced labor called "mita,".
which involved people working on public projects such as building temples or digging canals, but it was not the same as the chattel slavery that existed in other parts of the world.Furthermore, it is important to note that the economic growth of the Aztec civilization was primarily based on agriculture and trade, as well as tribute from conquered territories. The Aztecs had a complex market system and were known for their skilled craftsmanship in areas such as metalworking and weaving.In summary, there is no evidence that slavery had any impact on the economic growth of the Aztec civilization.
To learn more about Aztec click the link below:
brainly.com/question/28670660
#SPJ1
it has been found that surface winds in a hurricane can be accurately estimated by: group of answer choices measuring the winds aloft at the flight level of a hurricane hunting aircraft and then taking 90% of that number. measuring them with instruments onboard a very low-flying hurricane hunter aircraft.
Surface winds in a hurricane can be accurately estimated by measuring the winds aloft at the flight level of a hurricane hunting aircraft and then taking 90% of that number. This method allows for a more precise estimate of the wind speeds at the surface.
Hurricane hunter aircraft are equipped with sophisticated instruments that measure various meteorological parameters, including wind speeds, at different altitudes. By flying at a safe altitude, they can gather valuable data on the structure and intensity of the hurricane. These measurements help meteorologists understand the storm's behavior and forecast its future development more accurately.
When the hurricane hunter aircraft measures the wind speeds at its flight level, researchers can apply a conversion factor, which is typically around 90%, to estimate the actual wind speeds at the surface. This conversion is based on the understanding that wind speeds decrease as you get closer to the surface due to the friction between the air and the ground.
This method of estimating surface winds has been proven to be quite accurate and is widely used by meteorologists and hurricane forecasters. It provides vital information for public safety and helps authorities make informed decisions about evacuations and other emergency measures during a hurricane event.
To learn more about hurricane here:
https://brainly.com/question/2835662#
#SPJ11
Write a paragraph describing how reservoirs are used in west Africa
Reservoirs are used in West Africa for a variety of purposes, including irrigation, the generation of electricity, and the provision of drinking water. Reservoirs are a crucial tool for controlling and storing water resources because water is unpredictable and scarce in many parts of the region, particularly in the Sahel.
One of the main purposes of reservoirs in West Africa is for irrigation. By gathering and storing water during the rainy season, reservoirs can provide farmers with a consistent water source throughout the dry season, allowing them to grow crops all year long. In countries like Ghana and Côte d'Ivoire, reservoirs are used to support agriculture and generate hydropower.
The provision of drinking water is another significant function of reservoirs in West Africa. Reservoirs are a common source of clean, safe drinking water in the region's cities and villages. Reservoirs are occasionally utilized for leisure activities like boating and fishing.
Reservoir building, however, may potentially have detrimental effects on nearby ecosystems and populations. Large-scale dam projects have the potential to uproot entire towns, change river flows and ecosystems, and have downstream effects including declining fish populations and accelerated erosion. Reservoirs must therefore be carefully planned and managed to ensure that their positive effects exceed their negative ones.
Read more about reservoirs:
https://brainly.com/question/14142895
the increasing need for irrigation of crops is one of the reasons for the growing need for fresh water use. how could these demands be reduced?
By cultivating plants immune to drought. The overabundance of nutrients introduced to a freshwater environment is known as eutrophication. This can reduce the increasing need for irrigation.
The process of eutrophication involves the gradual enrichment of a body of water, or portions of it, with minerals and nutrients, especially nitrogen and phosphorus. It can also be described as a rise in phytoplankton productivity brought on by nutrients.
The capacity of a plant to continue producing biomass under arid or drought circumstances is known as drought tolerance. Some plants have defense systems like desiccation tolerance, detoxification, or xylem embolism repair that enable them to survive in dry environments.
Dry-climate plants have evolved xeromorphic characteristics to minimize transpiration when drought stress is present. Under drought stress circumstances, leaf shedding as well as a reduction in leaf quantity, leaf size, and branching can also reduce transpiration.
To learn more about Drought Resistant, click here:
https://brainly.com/question/30052575
#SPJ4
the correct labeling from the air lyer closest to earth's surface to the one farthest from the surface would be
The correct labeling of the atmospheric layers closest to Earth's surface to the one farthest from the surface is: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.
The Troposphere is the closest layer to the Earth's surface and is the layer in which all weather occurs. It extends from the Earth's surface to an altitude of about 7 miles (11 km). The Stratosphere is the second layer of the atmosphere and extends from the tropopause to an altitude of about 30 miles (50 km). Here, ozone absorbs ultraviolet radiation from the Sun, preventing it from reaching the Earth's surface.
The Mesosphere extends from the stratopause to an altitude of about 53 miles (85 km). This is the coldest layer of the atmosphere, with temperatures dropping to -90°C. The Thermosphere extends from the mesopause to an altitude of about 310 miles (500 km). This is the layer where the aurora borealis occurs.
The Exosphere is the outermost layer of the atmosphere and extends from the thermospause to an altitude of about 6,200 miles (10,000 km). This is the region where the Earth's atmosphere merges with space.
To know more about atmospheric layers, click here:
https://brainly.com/question/25881294
#SPJ4
what is a cyclone? what is a cyclone? a center of high atmospheric pressure a center of high atmospheric temperature a center of low atmospheric temperature a center of low atmospheric pressure
A cyclone is a center of low atmospheric pressure. It is a weather phenomenon that is characterized by a system of winds that rotates around a center of low pressure.
Cyclones are typically associated with storms, heavy rainfall, and strong winds, and they can occur in various parts of the world, including tropical areas and mid-latitudes. The opposite of a cyclone is an anticyclone, which is a center of high atmospheric pressure
A cyclone is a weather system characterized by low atmospheric pressure, winds that spiral inward, and an area of the Earth's surface covered by strong winds and thunderstorms.
When the winds rotate around a stable center, a cyclone becomes a more organized system. Cyclones are referred to by various names depending on the region they occur in, including hurricanes in the Atlantic and eastern Pacific oceans, typhoons in the western Pacific, and tropical cyclones in the Indian Ocean region.
For more question on atmospheric pressure
https://brainly.com/question/13450762
#SPJ11
The correct option is “The basalt formed by partial melting of peridotite, then the liquid basalt portion erupted, taking fragments of unmelted mantle peridotite with it.
The basalt lava formed deep in the lower mantle, and as it erupted it passed through the upper mantle, incorporating samples of peridotite as it rose.
The xenoliths in this sample are providing evidence of the composition of the mantle because they are fragments of unmelted mantle rock that were brought to the surface by volcanic activity.
Specifically, the most likely scenario based on the given answer choices is that the basalt formed by partial melting of peridotite, then the liquid basalt portion erupted, taking fragments of unmelted mantle peridotite with it. Peridotite is a rock type that is believed to be a major constituent of the Earth's mantle, so the composition of the xenoliths can be used to infer the composition of the mantle. By studying the chemical and mineralogical composition of the xenoliths, scientists can gain insights into the temperature, pressure, and other conditions that exist deep within the Earth.
The study of xenoliths provides scientists with a window into the Earth's mantle, which is otherwise inaccessible. The composition of the mantle can be inferred from the composition of xenoliths. Therefore, the xenoliths in this sample are providing evidence of the composition of the mantle.
For more question on volcanic activity
https://brainly.com/question/1362358
#SPJ11
in the northern hemisphere, ekman transport of surface ocean waters is about the surface wind direction. select one: a. 45 degrees to the left of b. 90 degrees to the left of c. 90 degrees to the right of d. 30 degrees to the right of
In the Northern Hemisphere, Ekman transport of surface ocean waters is about 90 degrees to the right of the surface wind direction. The correct answer is (c) 90 degrees to the right of.
This phenomenon occurs due to the combined effects of the wind and the Coriolis force, which causes moving objects to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. When wind blows over the ocean surface, it causes friction and drags the water in the direction of the wind.
However, because of the Coriolis force, this water gets deflected to the right (in the Northern Hemisphere) at an angle, and each successive layer of water beneath it also moves to the right but at a slightly reduced speed. This results in a net transport of water 90 degrees to the right of the wind direction.
Ekman transport plays an important role in ocean circulation and affects upwelling, downwelling, and the formation of ocean gyres. Upwelling occurs when Ekman transport moves surface waters away from the coast, allowing deeper, nutrient-rich waters to rise to the surface.
Downwelling occurs when Ekman transport pushes surface waters towards the coast, causing them to sink and be replaced by deeper water. These processes contribute to the overall circulation of the ocean and have significant impacts on marine ecosystems and climate. Therefore, The correct answer is (c) 90 degrees to the right of.
To learn more about Northern Hemisphere here:
https://brainly.com/question/12609878#
#SPJ11
which of the following brought the muslim empire into contact with ideas from around the world
Trade, conquest, and the translation movement during the Abbasid period brought the Muslim Empire into contact with ideas from around the world.
Explain each of the factors in brief?Trade: The Muslim Empire was a major center of trade, with merchants from all over the world coming to its markets to buy and sell goods. Through trade, the empire was exposed to new products, technologies, and ideas.Conquest: The Muslim Empire expanded rapidly in its early years, conquering territories from Spain to India. In the process, it came into contact with diverse cultures and ideas, which it absorbed and synthesized into its own traditions.Translation movement: The Muslim Empire became a center of translation during the Abbasid period (8th-13th centuries), when scholars worked to translate works from Greek, Persian, and Indian into Arabic. This movement allowed the empire to access a wealth of knowledge from these cultures, which it then incorporated into its own intellectual traditions.To know more about the muslim empire ,visit:
https://brainly.com/question/929430
#SPJ1
which type of stream channel is void of water for a majority of the year and only flows after a precipitation or snow-melt event?
a. perennial flow
b. ephemeral flow c. intermittent flow d. diurnal flow
(b) ephemeral flow is the right answer.
A form of stream channel known as an ephemeral flow only runs after a precipitation or snowmelt event and is normally dry or devoid of water for the majority of the year.
The flow of this kind of stream channel is typically transient and dependent on outside variables like precipitation or snowmelt. Ephemeral streams are found in arid or semi-arid environments when precipitation is sporadic and water is sparse.
By providing water for plants and animals during their brief periods of flow, these streams contribute significantly to the ecology. They are nonetheless sensitive to human activities that might harm the stream ecosystem and its flow regime, such as land use changes, water withdrawals, and climate change.
Learn more about stream channel:
https://brainly.com/question/29727721
The type of stream channel that is void of water for a majority of the year and only flows after a precipitation or snow-melt event is ephemeral flow. (B)
Ephemeral flow refers to streams or channels that carry water only during and immediately after a precipitation or snow-melt event. These streams typically do not have a well-defined channel and are often found in arid regions where there is limited rainfall. (B)
Unlike perennial flows, which have a continuous flow of water throughout the year, and intermittent flows, which have periodic flows of water, ephemeral flows are characterized by their sporadic and short-lived presence of water.
Diurnal flow, on the other hand, refers to streams that experience daily fluctuations in water levels.
To know more about ephemeral flow click on below link:
https://brainly.com/question/29347556#
#SPJ11
what are some characteristics of glaciers and glacial areas? multiple select question. glacial areas do not get eroded by glacial ice. glaciers flow. glaciers form where snow and ice accumulate faster than they melt. glaciers may fracture, forming crevasses. glaciers usually are clear ice with very little sediment in them.
The characteristics of glaciers and glacial areas are B. glaciers flow, C. glaciers form where snow and ice accumulate faster than they melt, D. glaciers may fracture, forming crevasses, and E. glaciers usually are clear ice with very little sediment in them.
Some characteristics of glaciers and glacial areas include:
Glaciers flow: Glaciers are large masses of ice that flow under the influence of gravity. This movement is due to the weight of the ice and the pressure from the overlying ice layers. The flow of glaciers is a slow process that can range from a few centimeters to several meters per day.
Glaciers form where snow and ice accumulate faster than they melt: Glaciers form in regions where the rate of snowfall and ice accumulation is greater than the rate of melting and sublimation. This typically occurs in cold environments, such as high mountains and polar regions.
Glaciers may fracture, forming crevasses: As glaciers flow, the ice may crack and form deep fissures called crevasses. These fractures are a result of the stresses and strains within the glacier as it moves over uneven terrain. Crevasses can be extremely dangerous for those traversing glacial areas.
Glaciers usually are clear ice with very little sediment in them: Although glaciers may appear to be made of white ice, the ice in a glacier is typically very clear and pure. However, glaciers can pick up and transport sediment as they flow, leading to bands or layers of sediment within the ice. This sediment can become visible when the glacier melts, leaving behind deposits called moraines. Therefore, the correct option is B, C, D, and E.
The question was incomplete, Find the full content below:
what are some characteristics of glaciers and glacial areas? multiple select question.
A. glacial areas do not get eroded by glacial ice.
B. glaciers flow.
C. glaciers form where snow and ice accumulate faster than they melt.
D. glaciers may fracture, forming crevasses.
E. glaciers usually are clear ice with very little sediment in them.
Know more about Glaciers here:
https://brainly.com/question/2142179
#SPJ11
Religion in East Africa is
A. Insignificant
B. Diverse
C. Neither A nor B
Answer:
B) Diverse
Explanation:
Their religious practices include Christianity, Islam, and traditional beliefs. Although Christianity and Islam do not oppose modern medicine, some fundamental Christians and Muslims lean on their faith when it comes to issues of health and wellness.
although excavations at olduvai gorge have yielded abundant archaeological traces, no hominin remains have ever been found there. group of answer choices true false
The statement "Although excavations at Olduvai Gorge have yielded abundant archaeological traces, no hominin remains have ever been found there" is true.
Olduvai Gorge is a steep-sided ravine in Tanzania's Great Rift Valley. It is one of the world's most renowned prehistoric sites and has yielded a wealth of information about early humans, plants, and animals.
The site is often known as the "Cradle of Mankind." Olduvai Gorge is an essential prehistoric archaeological site.
It is critical to human evolutionary studies because it has one of the most extensive records of human evolution. It is also where Homo habilis was discovered for the first time. This hominid species was believed to be the first to use stone tools.
For more question on archaeological site
https://brainly.com/question/928273
#SPJ11
7) Use the list to determine the best answer.
Experience all four seasons
Cool to cold winters
Mild to hot summers
Most often referred to as continental or temperate climates
A) Low Latitudes
B) Mid Latitudes
C) High Latitudes
D) Tundra
The answer that experiences all of the aforementioned is Mid Latitudes.
How would you define "Mid Latitudes"?On a weather radar, mid-latitude cyclones have such a distinctive comma shape. In addition, compared to cyclones or tropical storms, mid-latitude cyclones frequently have substantially bigger sizes. A geographical area on Earth known as the middle latitudes is situated between the Tropics of Cancer and Capricorn, from the Arctic Circle to the Antarctic Line.
Between both the two tropics as well as the polar circles, they encompass the temperate and subtropical zones of Earth. the region of land between 35 to 65 degree north and south latitude also known as the temperate zone.
To know more about temperate zone visit:
https://brainly.com/question/7102125
#SPJ1
what are midlatitude cyclones? what are midlatitude cyclones? stationary low-pressure cells that move in the band of the easterlies migrating low-pressure cells that move in the band of the westerlies stationary low-pressure cells that move in the band of the westerlies migrating low-pressure cells that move in the band of the easterlies
Answer:
Midlatitude cyclones, also known as extratropical cyclones or wave cyclones, are migratory low-pressure weather systems that occur in the middle latitudes (around 30 to 60 degrees latitude) of both the Northern and Southern Hemispheres. They are characterized by a rotating counterclockwise circulation (in the Northern Hemisphere) and are often associated with fronts, which are boundaries between different air masses. Midlatitude cyclones are responsible for much of the day-to-day weather variability in these regions, bringing rain, snow, and wind to many areas. Therefore, the correct answer is migrating low-pressure cells that move in the band of the westerlies.
Midlatitude cyclones are migrating low-pressure cells that move in the band of the westerlies
Midlatitude cyclones are migrating low-pressure cells that move in the band of the westerlies. They are also known as extratropical cyclones or wave cyclones. They form in the middle latitudes, between the polar and tropical regions, and are characterized by their counter-clockwise rotation in the Northern Hemisphere and clockwise rotation in the Southern Hemisphere.Midlatitude cyclones usually form along the boundaries between warm and cold air masses and can cause a variety of weather conditions, including precipitation, strong winds, and temperature changes. They play a crucial role in the Earth's climate system by redistributing heat and moisture from the tropics to higher latitudes.
Know more about Midlatitude cyclones here:
https://brainly.com/question/25239156
#SPJ11
According to the text, what is radiation?
Answer:
The thing which radia is called radiation
Answer:
radiation is the energy in a form of wave emitted by gadget
Explanation:
The use of electrical appliances like television emit radiation which can cause eye strain
How is Australia’s participation in World War I reflected in Australian culture?
Responses
Anzac Day is a major holiday celebrated each year.
Anti-German sentiment is prevalent in Australian culture.
Anti-British sentiment is prevalent in Australian culture.
Australian people prefer an isolationist government.
why is new orleans sinking relative to sea level? multiple select question. it is built on delta sediments, and it is the nature of those deposits to compact and subside. levees, built to protect the city, keep additional sediment out that would otherwise help to raise ground level. global sea level is rising. tectonic uplift in the gulf of mexico is sending water onshore.
There are multiple reasons why New Orleans is sinking relative to sea level, and all of the options you listed are correct.
A - It is built on delta sediments, and it is the nature of those deposits to compact and subside.
B - Levees, built to protect the city, keep additional sediment out that would otherwise help to raise ground level.
C - Global sea level is rising.
D - Tectonic uplift in the Gulf of Mexico is sending water onshore.
All of these factors contribute to the gradual sinking of New Orleans. The city is built on soft deltaic soils that naturally compact and subside over time. The construction of levees has also prevented sediment from replenishing the soil and raising ground levels.
Additionally, global sea levels are rising due to climate change, and tectonic uplift in the Gulf of Mexico is exacerbating the problem by sending more water onshore. These combined factors make New Orleans particularly vulnerable to flooding and storm surges.
Correct options are A, B , C and D.
You can learn more about New Orleans at
https://brainly.com/question/18304545
#SPJ11
what can you learn about past environments from sediments and sedimentary rocks? group of answer choices a tiny amount, primarily whether the land was green or brown. a tiny amount, primarily whether they were deposited in the ocean or on land. a tiny amount, primarily whether rivers or waves made the sediment. a huge amount, including whether the environment was land or water, whether it was warm enough for crocodiles or cold enough for ice, and much more. nothing.
Through sediments and sedimentary rocks, you may learn a great deal about former habitats, such as whether they were land- or water-based, if they were warm enough for crocodiles or cold enough for ice, and much more. Option 4 is Correct.
Sedimentary rocks provide information on previous surface-level climates. As a result, they serve as the main witnesses to historical changes in climate, life, and significant occurrences on Earth's surface. A certain sort of sediment is deposited in each type of habitat as a result of specific processes that take place there.
Sedimentary rocks are a typical place to find fossils. Fossils offer significant information, including proof of former life forms on environments and how life has changed throughout the course of the planet's history. Option 4 is Correct.
Learn more about sedimentary rocks Visit: brainly.com/question/30765754
#SPJ4
Correct Question:
what can you learn about past environments from sediments and sedimentary rocks? group of answer choices
1. a tiny amount, primarily whether the land was green or brown.
2. a tiny amount, primarily whether they were deposited in the ocean or on land.
3. a tiny amount, primarily whether rivers or waves made the sediment.
4. a huge amount, including whether the environment was land or water, whether it was warm enough for crocodiles or cold enough for ice, and much more. nothing.
when rocks are exposed to heat, they , which can contribute to thermal stress. when harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce the agent of erosion involved in stream erosion is when the ground is so saturated that it can't absorb rainfall or when rain falls so quickly that the ground can't absorb the water, forms. a/an is a huge, heavy, moving body of ice that picks up rocks and sand and erodes the ground beneath it as these materials scrape across it. hot arid climates are prone to erosion by . rows of trees and shrubs planted to protect fields from wind erosion are known as .
When rocks are exposed to heat, they expand which can contribute to thermal stress. When harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce acid rain which is the agent of erosion.
When harmful gases, such as sulfur dioxide and nitrogen oxide, react with water in the atmosphere, they can produce acid rain, which is the agent of erosion.
The erosion involved in stream erosion is caused by the flowing water of a stream or river, which erodes the ground and carries sediment downstream.
When the ground is so saturated that it can't absorb rainfall or when rain falls so quickly that the ground can't absorb the water, it leads to surface runoff.
The erosion involved in stream erosion occurs when the ground is so saturated that it cannot absorb rainfall or when rain falls so quickly that the ground can't absorb the water. A glacier is a huge, heavy, moving body of ice that picks up rocks and sand and erodes the ground beneath it as these materials scrape across it.
Hot arid climates are prone to erosion by wind. Rows of trees and shrubs planted to protect fields from wind erosion are known as shelterbelts.
For more question on rocks
https://brainly.com/question/26046551
#SPJ11
write a descriptive caption about the city of bamako
Answer: Bamako is the bustling capital and largest city of Mali, located on the Niger River. It is a major regional trade and conference center with an estimated population of over 2.81 million . The city has a large market, botanical and zoological gardens, an active artisan community, and several research institutes. It supports four colleges and houses the majority of Mali’s industrial enterprises
Explanation:
Compared to attending a technical school, completing a four-year college degree allows you to
Compared to attending a technical school, completing a four-year college degree allows you to select from a wide range of careers.
It is because you get to specialize in your field, which opens up to a lot of great opportunities in the career field. Also, 4-year college is way more expensive and time-consuming.
Hence, the correct answer is D. select from wide range of careers.
What is the most accurate description of a career?an activity or profession pursued as one's lifework, especially one needing specific training: He aspired to become a barrister.
A person's path or general course of activity through life or during a time of life, such as in some profession or undertaking: After the armistice, his time as a soldier came to an end.
To know more about Career visit:
https://brainly.com/question/30040900
#SPJ1
why is it so hard for a living tree to ignite, and how many conditions in the atmosphere influence this?
A living tree is difficult to ignite due to its high moisture content and several atmospheric conditions that influence this resistance. Moisture within a tree acts as a heat sink, absorbing energy and preventing combustion. As a living tree continuously takes up water from its roots, the cells remain hydrated and less prone to catching fire.
Atmospheric conditions play a significant role in a tree's flammability. These conditions include humidity, temperature, and wind. High humidity levels increase the moisture content in the air, which helps keep the tree's cells hydrated and less susceptible to ignition. Conversely, low humidity can cause a tree to lose moisture, making it more vulnerable to fire.
Temperature also impacts the flammability of a living tree. Higher temperatures increase the likelihood of ignition by providing more energy to initiate combustion. However, a living tree will still be more resistant to fire than dead or dry wood at the same temperature due to its moisture content.
Wind is another atmospheric factor influencing a tree's vulnerability to fire. Strong winds can spread fire quickly and reduce the moisture content of the tree by increasing evaporation rates. Calm wind conditions, on the other hand, are less likely to contribute to a tree's ignition.
In summary, a living tree is harder to ignite due to its high moisture content, and atmospheric conditions like humidity, temperature, and wind significantly influence this resistance.
To learn more about atmospheric conditions here:
https://brainly.com/question/13730644#
#SPJ11
Given that BC is tangent to circle A and that BC =3 and AB=5, calculate the length of circle A.
To calculate the length of the radius of circle A, we need to use the fact that BC is tangent to circle A. Let O be the center of circle A, and let r be the length of the radius of circle A. Then we have:
BC ⊥ OA (since BC is tangent to circle A) BC = 3 AB = 5
We can use the Pythagorean theorem in triangle ABC to find the length of AC:
AC^2 = AB^2 - BC^2 AC^2 = 5^2 - 3^2 AC^2 = 16 AC = 4
Since OA is perpendicular to segment BC at point D, we can use the Pythagorean theorem in triangle AOD to solve for the radius r:
r^2 = OD^2 + AD^2 r^2 = (BC/2)^2 + AC^2 r^2 = (3/2)^2 + 4^2 r^2 = 2.25 + 16 r^2 = 18.25 r = sqrt(18.25) r ≈ 4.27
Therefore , the length of the radius of circle A is approximately 4.27 units.
In the 1640s, the Iroquois Confederacy, a group of tribes from the east coast area (today's New York), began a series of wars in the Great Lakes region. What was the MAIN reason for these wars?
Ill make you the brainlist.
The main reason for the Iroquois wars in the Great Lakes region in the 1640s was to control the fur trade with European colonizers. The Iroquois, who were skilled hunters and traders, sought to gain dominance over the lucrative fur trade by controlling the territory and resources of rival tribes in the region. Additionally, some historians suggest that the wars were also fought for territorial expansion and to establish Iroquois dominance over the Great Lakes region.
how are weather and climate related? how are weather and climate related? climate is the weather at a particular place and time. climate and weather are both produced by plate tectonics. weather is climate that can be measured.
Answer:
Explanation:
how are weather and climate related? how are weather and climate related? climate is the weather at a particular place and time. climate and weather are both produced by plate tectonics. weather is climate that can be measured.
Weather and climate are closely related, as they both describe the atmospheric conditions of a particular place. However, the main difference between the two is the time scale: weather refers to short-term changes in the atmosphere, while climate represents the long-term average of weather patterns.
Weather includes daily phenomena such as temperature, humidity, precipitation, and wind. It can change from day to day, or even within a single day. Weather is influenced by various factors, such as solar radiation, air pressure, and atmospheric circulation.
Climate, on the other hand, is a long-term average of weather conditions over a period of at least 30 years. It describes the typical patterns of temperature, precipitation, humidity, and wind in a specific region. Climate is influenced by factors such as latitude, altitude, and proximity to bodies of water.
Although tectonics plate do not directly produce weather and climate, they can affect climate by influencing the distribution of land and ocean, which in turn influences ocean currents and atmospheric circulation patterns.
In summary, weather and climate are related because they both describe the atmospheric conditions in a certain place. Weather refers to short-term changes, while climate is the long-term average of weather patterns. They are influenced by various factors, including solar radiation, air pressure, and the Earth's position relative to the Sun. Although plate tectonics do not directly produce weather and climate, they can impact climate by affecting the distribution of land and ocean.
To learn more about atmospheric conditions here:
https://brainly.com/question/13730644#
#SPJ11
Read these sentences from the text.
Johnson-Sirleaf is Africa’s first elected female head of state, but she is not new to politics. She served as Liberia’s Finance Minister until 1980 and made an unsuccessful run for the presidency in 1997.
What conclusion can you draw based on this information?
Answer:
The conclusion that can be drawn is that Johnson-Sirleaf had prior experience in politics before becoming Africa's first elected female head of state, including serving as Liberia's Finance Minister and running for the presidency in 1997.
which of the following patterns of illness are predicted with climate change? group of answer choices dengue fever may move north into the southern half of the u.s. lyme disease will move south into the tropics california will be relatively unaffected by climate-related illnesses illnesses from toxic algae will be less frequent
Of the options provided, the predicted pattern of illness that is most likely associated with climate change is: "Dengue fever may move north into the southern half of the U.S." (Option A).
Dengue fever is a mosquito-borne viral disease that is endemic to many tropical and subtropical regions around the world. It is primarily transmitted by the Aedes aegypti mosquito, which is found in many parts of the Americas, including the southern United States. As temperatures continue to warm due to climate change, the range of the Aedes aegypti mosquito is predicted to expand, potentially bringing dengue fever and other mosquito-borne diseases further north into the U.S. For example, there have already been cases of locally transmitted dengue fever reported in Texas and Florida in recent years.
While climate change is also likely to have impacts on other illnesses, such as Lyme disease and illnesses from toxic algae, the options provided do not accurately reflect the predicted patterns of these illnesses.
To know more about Dengue fever here
https://brainly.com/question/13724624
#SPJ4