A supercontinent is a landmass that consists of an aggregate mass of entire earth lithospheric landmasses. Pangaea was the last supercontinent that split about 200 million years ago.
The German geologist Alfred Wegener gave numerous pieces of evidence to support his theory of continental drift. These theories include fossil records, glacial chains, coal despites. In some places, he has also mentioned the presence of a similar climate type.Hence the option C is correct.
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Which are the basic physical sciences?
biology, paleontology, biochemistry and zoology
medicine, biotechnology, genetics and pharmacology
chemistry, physics, astronomy and earth science
Correct.
mathematics, statistics, logic and computer science
Answer:
Chemistry, physics, astronomy and earth science.
Explanation:
what is dimensional analysis?
Answer:
the analysis of the relationships between different physical quantities by identifying their base quantities and units of measure and tracking these dimensions as calculations or comparisons are performed.
Explanation:
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Answer:yyyyyyyyyeeeeeeetttttt you will figure it out
Explanation:
True/False The atoms of a gas are the most tightly packed of the 3 states of matter.
Answer:
false
Explanation:
because solid is the most tightly packed out of gas and liquid .
8. Converting Units The volumes in your data are in millimeters, which are equivalent to cubic centimeters, cm3. But your areas are in units of square meters (m2). To combine these, you will have to convert to similar units. Convert one of your volume measurements from units of cm3 to units of m2, showing your work. (Remember that 1 ×106 cm3 = 1 m2.)
Answer:
This question is a practical question and hence incomplete
Explanation:
However, there are some steps that can be followed to achieve the aim of this question.
To convert millimeters (mm) to cubic centimeters (cm³), the value in millimeter will have to be divided by 1000. This is because 1 mm equals 0.001 cm³. Hence, if the volume in the data is 30 mm, the equivalent in cm³ will be
30/1000 = 0.03 cm³
OR
1 mm ⇒ 0.001 cm³
30 mm ⇒ ?
Let's assume the unknown (?) is X
1 × X = 30 × 0.001
X = 0.03 cm³
Hence, 30 mm equals 0.03 cm³
Also, to convert any volume from cubic centimeter (cm³) to square meter (m²), you will divide the unit in cm³ by 1 × 10⁶ (1,000,000). To convert the value obtained earlier (0.03 cm³ or 3 × 10⁻² cm³) to m², you will
1,000,000 cm³ ⇒ 1 m²
0.03 cm³ ⇒ ?
Let's assume the unknown (?) is Y
1000000 × Y = 0.03 × 1
Y = 0.03/1000000 OR you can write it as 3 × 10⁻² × 10⁻⁶
Y = 3 × 10⁻⁸m²
Hence, 0.03 mm equals 3 × 10⁻⁸ m²
Which element does not have similar chemical characteristics as phosphorus (P)?
answers:
Antimony (Sb)
Nitrogen (N)
Arsenic (As)
Oxygen (O)
what is the total charge? plz help!
Answer:
0
Explanation:
Protons have a positive + charge.
Neutrons have a neutral (0) charge.
Electrons have a negative - charge.
In order to determine the charge of an atom, we only look for the protons and neutrons.
We are given 2 protons and 2 electrons
+2 charge + -2 charge = 0 charge.
This atom is a neutral atom.
Can anyone answer this
Answer:
d
Explanation:
Substances exist as a solid, a liquid, or a gas because…
Which word describes an artificial pond with raised edges used for agriculture?
shaduf
paddy
aqueduct
chinampa
Answer:
Paddy
Explanation:
he word paddy is used to describe an artificial pond with raised edges which are used for agriculture.
The word describes an artificial pond with raised edges used for agriculture is paddy. Therefore, option B is correct.
What do you mean by an artificial pond ?Seldom do artificial ponds have a natural outflow and entrance. This indicates that they only get fresh water from rain and direct activity, such a partial water change.
Ponds have a variety of functions, including providing water for farming and livestock, assisting in habitat restoration, acting as fish hatcheries, being parts of landscape architecture.
The paddy ponds are man-made ponds with elevated sides that are utilised for agriculture. These ponds are primarily used to easily supply crops with a suitable amount of water. These ponds are kept full of water, and rainwater is also collected and stored there.
Thus, option B is correct.
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state one factor that effects the rate of change of the liquid colour
Answer:
Temperature is one of the major factors that affects the rate of change of the liquid colour, this is because ; like when if you freeze hot water the ice formed will be clear transparent, while on the other hand, if we freeze cold water it would be foggy inside the ice. This change occurs because of the temperature difference of the cold and hot water.
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(C.6a) An atom of a neutral element contains 16 electrons. What element is it?
Answer:
Sulfur
Explanation:
6. How many millimeters are there in 2.0 meters?
7. How many grams are there in 5.0 kilograms?
8. How many liters are there in 15.0 centiliters?
Which of the following is true about science and technology? A. Advancements in science cannot lead to advancements in technology, but technological advancements can lead to scientific advancements. B. Advancements in science can lead to advancements in technology, and technological advancements can also lead to scientific advancements. C. Advancements in science cannot lead to advancements in technology, and technological advancements cannot lead to scientific advancements. D. Advancements in science can lead to advancements in technology, but technological advancements cannot lead to scientific advancements.
Answer:
c is the answer i am positive about that is it is wrong correct me plz
Explanation:
the number of electrons if not ionized
Your answer
Answer:
What????
Explanation:
20 characters
Explain.Car side mirrors do not work when they are convered with frost. What does frost do no the surface of a mirror to cause a diffuse reflection?
The side mirrors play an important role in providing the safety of a car and also help the drivers to see the vehicles behind the car. Most of the side mirrors have a small heating element in them which helps to defrost or deice.
When ice, snow or even just condensation builds up on your mirror, it can severely limit your visibility. The frost makes the smooth surface of the mirror rough, so that the parallel rays are reflected in different directions.
There are extensive and multiple refractions which cause the distortion of light and so that the frost looks white, whereas ice is clear also called black ice due to the colour of road surface.
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23 POINTS PLEASE ANSWER
Question:
Amy was observing the growth of five kinds of flowering plants on a windowsill. She noticed that some of the flowers on some of the plants turned toward the sun during the day, but the flowers on other plants did not turn toward the sun. She asked the following question.
“Why do living things sometimes change direction?”
Why is Amy’s question not a very good scientific question?
Options:
It is too broad.
It is based on her opinion.
It depends on moral judgments.
It leads to a hypothesis that can be tested.
Answer:
it was too broad
Explanation:
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ANSWER
it was too broad
If the value of volume doubles but the mass stays
the same, the value for density will be
1.double
2.the same
3.halved
Answer:
halved
Explanation:
density decreases when volume increases if mass is kept constant density is defined as mass divided by volume.If the value of volume doubles, but the mass stays the same, the value for density will be halved. The correct option is 3.
What are volume, mass, and density?Density is the mass per unit volume. Density is a scalar quantity. It is denoted by d and the symbol for density is given as rho, a Greek symbol. Density is calculated as mass divided by volume.
Mass is the quantity of matter in a physical body. The product of the molar mass of the compound and the moles of the substance are defined as mass.
Volume is the space occupied by a three-dimensional object. Volume is calculated by dividing mass by density.
These three factors are related to each other. If two variables are given, the third can be calculated.
Thus, the correct option is 3. Halved.
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elements Combine with atoms with F in the same ratio as atoms of Mg
Answer: Chemical symbols are used to represent atoms and elements. A compound consists of atoms of two or more elements combined in a small, whole-number ratio. Atoms of each of its elements are always present in the same ratio
Explanation:
Why is the reactivity of metal increase but that of non-metal decreases as we go down in a group of periodic table? (pls its important i need this question's ans for my exam so answer it fast thank you)
Answer:
Nonmetal reactivity decreases down a group because the nucleus' ability to gain more valence electrons weakens due to more nuclear shielding. For Metals: the most reactive metals are those that can lose their valence electrons the most easily. ... Francium is the most reactive metal
Explanation:
Answer:
While moving from top to bottom in a group of the periodic table, the reactivity of non- metals decreases. ... Thus, the tendency of gaining electron/s in the valence shell decreases as well as the chemical reactivity also decreases on moving from top to bottom in a group of non- metals.
can someone help me please
Which family does this element belong to? It sa reddish brown liquid with
an amber vapor, It is very reactive and it has a pungent odor that is
irritating to the skin, eyes, and respiratory
Alkali Metals
Alkaline Earth Metals
Halogens
Noble gases
Answer:
The correct answer is - halogen.
Explanation:
The physical properties of the given elements are identical to the physical properties of the free bromine which is a reddish-brown liquid that has a pungent odor and highly reactive. It has an appreciable amber vapor at 25 degrees (room temperature).
Bromine is a halogen and like other halogens, it is also present in the diatomic molecule and located in the 17th group or VII A group of periodic tables. Exposure of the bromine causes irritation to the eyes, skin and respiratory system.
Please help meee!!!
Answer:
Wood
Explanation:
Because the nail is driven into the wood by the force of the hammer.
Sound waves move the fastest through which medium?
Answer:
Air/gas
Explanation:
Sound can travel faster through air/gas more effectively than solids or liquids.
Find the mass of a 50.0 ml quantity of water if the density of water is 3.25 10 poin g/ml * O 15.38 g O 162.5 g 0.0659 O 124.3g What is an extensive property? * 10 poli
Which of the following represent a chemical compound? a. Cr b. CO c. Au d. Mg
How might scientific knowledge about monoculture farming affect societal decisions? Please be sure to answer in complete sentences
Answer:
People could choose to practice organic farming, heirloom plants, or use GMOs.
Governments could pass laws to limit the use of monoculture farming.
Governments could pass laws requiring people to use alternate farming methods.
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person above is correct give them brainliest
Is the electron arrangement in a sodium ion
similar to neon or to argon?
Answer:
Just as some elements attain a noble gas configuration by gaining some extra electrons, other elements can more easily gain that configuration by losing some electrons. For a sodium atom, it is simply closer to get to the same configuration as neon than it is to get to the same configuration as argon.
1.the study of blood serology
2.the development of digital storage and technology for use in bioscience applications biochemistry
3.the study of poisons genetics
4.the study and use of biological structures and processes for industrial purposes bioinformatics
5.the scientific study of heredity epigenomics
6.the study of the effects and interaction of the expression of genes toxicology 7.the study of the chemistry of organisms biotechnology
8.the study of decomposition of bodies after death anthropology
The various field of science include the following;
1. Serology.
2. Bioinformatics.
3. Toxicology.
4. Biotechnology.
5. Genetics.
6. Epigenomics.
7. Biochemistry.
8. Taphonomy.
"Fields of Science"Science is the interest and application of information and understanding of the normal and social world taking after a precise strategy based on prove.
1. Serology: The study of blood.
2. Bioinformatics: The development of digital storage and technology for use in bioscience applications.
3. Toxicology: The study of poisons.
4. Biotechnology: The study and use of biological structures and processes for industrial purposes.
5. Genetics: The scientific study of heredity.
6. Epigenomics: The study of the effects and interaction of the expression of genes.
7. Biochemistry: The study of the chemistry of organisms.
8. Taphonomy: The study of decomposition of bodies after death.
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Number of paired electrons in Li