Answer:
Necessary components are elements or ingredients that are essential for something to exist or work properly.
Explanation:
what factors must be kept constant in the experiment to obtain valid results
How could the matter in a piece of rock at the top of a mountain eventually be incorporated into volcanic lava? Write a short essay showing how the atmosphere, hydrosphere, cryosphere, geosphere, and biosphere are involved in this process.
Both volcanic glass and volcanic rock are produced as lava cools. As part of a powerful volcanic eruption, magma may potentially erupt into the Earth's atmosphere.
What is volcanic eruption?In the form of volcanic rock known as tephra, this magma solidifies in the atmosphere. Tephra is most often known as volcanic ash in the atmosphere.
Volcanoes can spew forth a significant volume of heated lava (a geosphere event), which melts mountain glaciers (a hydrosphere phenomenon).
Therefore, flooding and mudflows (geosphere) might affect settlements along streams downstream from volcanoes (biosphere).
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Which cellular process is the main contributor to genetic variation?
A.
independent assortment during meiosis
B.
cytokinesis at the end of mitosis
C.
production of a duplicate DNA strand
D.
asexual reproduction
Answer:
D asexual reproduction
A veterinarian is trying to ascertain why a herd of sheep suddenly all have green lips and muzzles and are coughing and vomiting. He believes that they have ingested a biotoxin and asks the owner if he has noted any rubber bitterweed in his fields. The farmer is incredulous, saying, “It’s right in the name—BITTERweed. Sheep don’t eat that stuff.” Which fact would support the veterinarian’s theory that these sheep have eaten the poisonous scrub?
A.
Bitterweed grows in most parts of America.
B.
The weed is actually very sweet and sheep like the taste.
C.
If they have not been fed properly, sheep will eat bitterweed.
D.
Sheep will eat anything that is not tied down.
Answer:
C. If they have not been fed properly...
Explanation:
If they have not been fed properly, sheep will eat bitterweed. This fact would support the veterinarian's theory that the sheep have eaten the poisonous scrub, as it suggests that the sheep may have turned to eating the bitterweed due to hunger or malnutrition.
Please Help!!
You are viewing a whitefish embryo under the microscope. Even in tissues like the embryo that are constantly growing, most of the cells you would see under the microscope would
- have condensed chromosomes.
- be in mitosis and have condensed chromosomes.
- be in interphase.
- be in meiosis.
- be in mitosis.
Answer:
the last one
Explanation:
One tactic to help bee populations stay healthy is raising hygienic bees. Hygienic bees contribute to overall disease resistance by uncapping cells with diseased larvae and removing the diseased larvae. Uncapping (u) is a recessive trait and removal (r) is a recessive trait. A cross between a hygienic queen (uurr) and a unhygienic drone (UR) yields unhygienic bees. Remember males bees are haploid. With what could you cross the offspring to produce hygienic workers (females) in the F2 generation
Answer:
Crossing the hygienic queen with hygienic drones.
Explanation:
For producing hygienic workers (females) in the F2 generation, the hygienic queen must be cross with hygienic drones. Due to this crossing most of the offspring produced will be hygienic due to presence of dominant allele of hygienic. Both the male and the female bees have dominant allele of hygienic so the maximum number of offspring produced will be of hygienic and very low number of offspring is produced having unhygienic allele.
mendel found that due to ___, certain traits do not demonstrate independent assortment.
a.linkage
b.crossing over
c.mutation
d.none of the above
What would happen if scientists used different physical characteristics
If scientists used different characteristics from the ones used then this will affect the outcome of the study and the observations made through the study will be different from the one obtained.
What are Physical characteristics?Physical characteristic means a bodily condition or the characteristic of any person's body which is from the time of birth, accident, or any disease, or from any kind of natural physical development, or any other type of event outside the control of that individual including individual physical mannerisms, such as height, or weight of an object.
Phenotype includes an individual's observable traits, such as the height, eye color, and blood type of the person. A person's phenotype is determined by both their genomic makeup and environmental factors.
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Identify the type of macromolecule (carbohydrate, lipid, nucleic acid,
protein) that changes when Glu changes to Asp. Explain your answer.
Answer: The type of macromolecule that changes when Glu changes to Asp is a protein.
Explanation: The type of macromolecule that changes when Glu changes to Asp is a protein. This is because proteins are made up of long chains of amino acids, which are the building blocks of proteins. Glu and Asp are both amino acids, and they can be incorporated into a protein chain during protein synthesis. When Glu changes to Asp, it means that one of the amino acids in the protein chain has been replaced by a different amino acid. This can potentially alter the structure and function of the protein, depending on the specific role that the amino acid plays within the protein.
Humans depend upon a variety of Earth's natural resources. Certain resources should be conserved because humans are able to consume them much faster than they can be replaced by natural processes.
Which of the following is a resource that should be conserved?
wind coal
oil (petroleum)
natural gas sunlight geothermal energy
Answer:
Explanation:
coal
oil
natural gas
These are the big three. Of the three, oil is the most important. It is relatively clean burning -- relative to coal which might be more abundant.
Natural gas is more abundant, but it is awfully hard to store.
If all else fails, coal, but coal is a very dirty burn.
Can anyone do a summary about any New York Times Article. It needs to be a Science article. 3 paragraph minimum. Thanks
Answer:
In the New York Times article, "The Search for Life on Venus," by Kenneth Chang, the author explores the possibility of life on Venus, the second planet from the sun. In this article, Chang examines the various theories surrounding the possibility of life on Venus, including the potential for habitable clouds in the planet's atmosphere. He also discusses the potential for future exploration of Venus, including the possibility of sending a robotic spacecraft to the planet's surface.
Chang explains that the conditions on Venus are hostile to life, with temperatures reaching up to 860 degrees Fahrenheit and a crushing atmospheric pressure 90 times that of Earth's. However, the clouds of Venus may be a more hospitable environment, with temperatures ranging from 40 to 80 degrees Fahrenheit and a pressure closer to that of Earth's. This has led some scientists to speculate that microbial life may exist in these clouds.
In conclusion, Chang's article provides an interesting overview of the possibility of life on Venus. While the surface of Venus is too hostile for life, the clouds may provide an environment where life could exist. Future exploration of Venus may help to answer the question of whether life exists on the planet.
Explanation:
Question 5
In what order were the following energy sources discovered by humans?
a. Biomass energy was discovered first; then fossil
fuels, then fuel cells
c. Fuel cells were discovered first; then fossil fuels, then
biomass energy
d. Biomass energy was discovered first, then fuel cells,
then fossil fuels
Answer:
biomass first then fossil fuel and fuel cells
Energy sources are the mandatory for day to day activities. The correct order of this is first biomass energy was discovered, then fossil fuels and then fuel cells, i.e., option a.
What are different energy sources?Energy sources can be either renewable or non-renewable, based on its origin.
The one that cannot be exhausted are called renewable resources, example air, water, etc.
The one that can be exhausted due to overuse is non-renewable resource, example fossil fuels, coals, etc.
The correct order of the energy resources discovered by humans is first biomass energy, fossil fuels, and finally fuel cells.
Thus, the correct option is a.
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HELP LIMITED TIME!!!!!!!!!!!!!!!
Hydrogen fuel cells, biodiesel, and long-term electric batteries are
potential solutions to
Select one:
1, carbon sequestration
2, replacing coal as a major fuel for generating electricity
3, cap-and-trade emission control
4, reducing carbon emissions from cars and trucks
Answer: 4
Explanation:
As much as 25% of the fruits and vegetables grown in Chinese agricultural
regions rot before they can be brought to market. Which of these approaches
is a possible solution?
A. More-efficient preservation methods
B. A reduction in irrigation
C. Planting more seeds
D. Less-efficient ways of farming
Answer:
A.More-efficient preservation methods
Explain the processes of headward erosion and stream piracy
Headward erosion is the upstream erosion of a stream channel, while stream piracy occurs when one stream captures the drainage of another stream, causing it to divert its flow.
What is headward erosion?The process of headward erosion can lead to stream piracy when the channel of one river extends far enough upstream to intersect with the channel of another river. When this happens, the more powerful river may start to capture the flow of the weaker one, gradually eroding its channel and redirecting its water into its own channel. This can cause significant changes to the landscape and ecology of the affected areas, as the water flow and sediment patterns are altered.
Both headward erosion and stream piracy are natural processes that occur over long periods of time, and they can have important implications for the evolution and development of river systems. They can also have significant impacts on human activities, such as agriculture, infrastructure, and land use, especially when they result in changes to water flow or drainage patterns.
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The Greek suffix -itis means "inflammation". What is carditis?
Answer:
Inflammation of the Heart
Explanation:
Cardio/Cardi means heart. So, if you put them together, it mean heart inflammation.
Answer:
ur heart gets bigger
Explanation:
If a purchaser enters a futures contract with an agreement to buy a crop for $200 per ton next month, which of the following demonstrates the result of the price rising to $225 at that time?
Responses
The purchaser would still pay only the $200 for the commodity
The purchaser would have the option of cancelling the deal or paying the extra $25 per ton.
The purchaser would be let out of the deal and a new deal would be created.
The purchaser would be required to pay the extra $25 per ton.
Answer:
A futures contract is a legal agreement to buy or sell a particular commodity asset, or security at a predetermined price at a specified time in the future.
With this the answer would be the first option “The purchaser would still pay only the $200 for the commodity” sense it was a predetermined price.
Explanation:
Organisms sharing a common ancestor
Evolutionary history
Fossil record
Anatomy
Common ancestry
Evolution
The Greek suffix -ologist means "one who studies or specializes in." What does a cardiologist do?
Answer:
A cardiologist is a physician who specializes in the treatment of diseases of the heart and blood vessels, which affect the cardiovascular system. A practitioner must complete four years of medical school and then six or eight years of internal medicine and specialist cardiology training to become a cardiologist.
Explanation:
- Eijiro <3
cause of supraventricular tachycardia?
Superventricular tachycardia occurs when the system that controls your heart rhythm is not working properly.
In humans, brown eyes are dominant to blue and brown hair is dominant to blonde. Cross a homozygous dominant brown-eyed blonde man, with a blue-eyed and heterozygous brunette woman
ECOSISTEMAS DE LA REGION INSULAR DEL ECUADOR
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Grows and regresses (it's shed) with each monthly cycle
the vagina
the endometrium
the perimetrium
the cervix
the myometrium
Matter Movement In
Where are molecules coming from?
Biosynthesis for growth
Biosynthesis for growth; In matter movement, molecules come from leaves and plant system.
What is Biosynthesis?The production of complex molecules within living organisms or cells is known as biosynthesis. Chemical reactions and pathways that result in the formation of substances; typically the energy-intensive part of metabolism in which simpler substances are transformed into more complex ones.
Simple compounds are modified, converted into other compounds, or joined to form macromolecules during biosynthesis. This procedure frequently involves metabolic pathways. Matter is cycled through the ecosystem via a series of food chains, food webs, and nutrient cycles. Because all organisms are interconnected, matter is transferred from one to another. These macro molecules come from leaves and plant system.
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Please accurately define each term and explain the role of each term in the scenario below Phillip has been preparing to give the valedictorian speech at his high school since mid-February. He has a fear of public speaking that began in elementary school when he forgot a speech when he was running for student council president. He has been working with the drama teacher at the school to overcome this fear. As graduation approaches, he has started to have difficulty sleeping and has lost his appetite. He has worked hard to earn the opportunity and does think his message of finding his way as a child of immigrants and divorce is important. Still he is beginning to question whether or not he will be able to present the speech in front of such a large crowd. He has spoken to his guidance counselor about his concerns. Explain how each of the following concepts relates to the scenario:
. Phobia .
Sympathetic nervous system
• Intrinsic motivation
• Positive reinforcement
• Extraversion
• Altruism Elaborative rehearsal
Answer:
See explanation below
Explanation:
Phobia: Phobia refers to an extreme and irrational fear of something. It can also be an aversion to something. Philip has a fear of public speaking that began when he forgot a speech in elementary school.
Sympathetic Nervous System: This is one of the response to stressful situations. It is activated by the hypothalamus due to both physical and psychological stress. It directs the body’s rapid involuntary response to dangerous or stressful situations. As graduation approaches, Philip starts to have difficulty sleeping and loss of appetite.
Intrinsic Motivation: This refers to doing something just because it is enjoyable rather than for any external reward. Prior to the graduation, Philip has been working with his drama teacher to help him overcome his fear of public speaking.
Positive Reinforcement: This is a form of reward for performing a task. People can also seek positive reinforcement before they perform an action just so that they perform well. Philip tried to get reinforcement his guidance counselor before his presentation.
Extroversion: This is the inclination to obtain gratification from outside oneself. By questioning whether he would be able to present his speech and impress a large crowd, Philip is trying to obtain gratification from others.
Altruism: This refers to a selfless concern for the happiness and well-being of others. Philip is concerned about how his message would impact others who may be able to learn from his journey of being a child of divorce and immigration.
Elaborating Rehearsal: This is done by helping ones short term memory to store information in ones long term memory. Philip has been preparing to give the valedictorian speech at his high school.
how would you relate the changes of earth surface to the earthquake activities and volcanic eruptions?
Answer:
The correct answer is - volcano leads to rock or land formation and the change of mountains and earthquakes causes a landslide and other changes.
Explanation:
A volcanic eruption changes the surface of the earth by the eruption of molten and magma that leads to new rock formations or mountains. It builds up the land or rocks around a volcano when lava flows out and hardens on the surface.
The surface of the Earth change by cracking and shifting when an earthquake hits and cause landslides as well as the point where the crust moves.
Volcanic eruptions occur from the interior of the earth causing landslides owing the continental shifts.
What are volcanic eruptions?The term volcanic eruption refers to the sudden ejection of molten magma to the surface of the earth. This magma solidifies on the earth's surface and leads to the formation of rocks.
When the molten magma is emerging from the earth continental shifts occur resulting in landslides on the earth's surface.
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How did the public of Russia react to the transition from a communist society to a democratic society?
a.
lack of commitment to democracy
c.
not a true understanding to democracy
b.
fully embraced democracy
d.
revolt against democracy
Please select the best answer from the choices provided
A
B
C
D
Answer:
I think it is A
Explanation:
It’s not b or d for sure
4. If seismographs showed a specific region as earthquake prone, what proposed solutions
could lessen the damage of potential earthquakes? (Describe at least two.)
Answer:
Avoid making multistory buildings and provides safety exits.
Explanation:
Avoid making multistory buildings and provides safety exits in every commercial and housing building are the solutions that could lessen the damage of potential earthquakes. High multistory building greatly damaged from the earthquake because the buildings can't bear high intensity of earthquake so they falls to the ground and cause great damaged. Safety exits are necessary for the safely evacuation of people from the buildings during earthquake or another natural disaster.
Which muscle is highlighted below?
O A. Obliques
B. Trapezius
O C. Triceps
O D. Rectus abdominus
Triceps muscle is highlighted below.
What are the uses of muscles of triceps?On the upper arm's dorsal side, there is a large, bulky muscle called the triceps brachii. On the arm's posterior side, it often appears in the shape of a horseshoe. The extension of the elbow joint is the triceps' primary function.
Three muscle heads give this muscle its name. A muscle's "head" is its point of origin. As a result, the triceps brachii muscle originates at three distinct locations, one on the scapula and two on the humerus.
The triceps are a muscle group that help you move your shoulders and elbows and build strength in your upper body. Expanding rear arm muscles strength carries security to your shoulders and arms, further develops adaptability, and builds scope of movement.
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Energy resources are evenly (fairly) distributed across the Earth?
*
True
False
Answer:
False
Explanation:
Consider if there was oil everywhere then every country wouldnt have to fight for oil or go out to sea and begin drilling its simply not distrubuted evenly