During an ice age, the Earth’s oceansa. all freeze
c. fall
b. raise
d. none of the above

Answers

Answer 1

Answer: During an ice age, the Earth’s oceans fall.

Answer 2

Answer:

the answer is c. falls

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Why would a drug that damages capsids help treat a viral infection

Answers

The capsid is the protein shell that surrounds the core of a virus where its nucleic acid is located. The capsid is made up small sub units called capsomeres.A virus consists of a nucleic acid which may either be RNA or DNA and is found in varying quantities in the virus. It is this nucleic acid that is vital to the virus' survival that is housed in the capsid.A drug that targets the capsid and damages it will cause the nucleic acid to leak out of the virus and into the surrounding while other fluids foreign to the virus will get in rendering the virus totally impaired, and due to this the virus cannot survive but will speedily die.

they keep all of the viruses out. it is a defencive system

What is the advantage in animals coupling nitrogenous waste excretion to osmolarity regulation?

Answers

by coupling nitrogenous waste excretion the animals will not undergo the formation of ammonia. and ammonia needs large amount of atp, that would be a waste of energy in the system of animals and it also needs large amount of water in order to be diluted

All weather activity occurs in which layer of the atmosphere?

Answers

he troposphere is the first layer of the atmosphere. it also is the layar that contains the weather

Weather occurs at the atmosphere level called the troposphere. This is the lowest level of the atmosphere and directly above it is the stratosphere.
Hope this will help you!
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What is the importance of geographic isolation in speciation?A. It allows different mutations to arise.
B. It prevents reproduction between populations.
C. It reduces competition between the populations.
D. It protects one of the populations from predation.

Answers

Answer;

B. It prevents reproduction between populations.

Explanation;

Geographical isolation refers to a population of animals, plants, or other organisms that are separated from exchanging genetic material with other organisms of the same species.

Geographic isolation causes individuals of an original species to accumulate sufficient genetic differences to prevent them breeding with each other when they are reunited.

What is the reason behind the high surface tension of water?A) The density of the water molecule helps it to cohere to nearby water molecules, forming a skin over it
B) The polarity of the water molecule helps it to cohere to nearby water molecules, forming a skin over it
C) The weight of the water molecule helps it to cohere to nearby water molecules, forming a skin over it

Answers

Water is a very polar molecule.

This means there is a (slight) difference in charge between the ends of the water molecule. Water is made up of an Oxygen and two Hydrogens (H₂O). The Oxygen is a much larger atom, with 8 protons in its nucleus, whereas Hydrogen has only 1 proton.

As protons are positively charged, the oxygen has a greater positive charged, so the electrons which are negatively charged are more attracted to the Oxygen, and the bond shifts slightly towards the oxygen. As the electrons have shifted position, the negative charge has shifted position, to there is a slight negative charge nearer the Oxygen, δ⁻ (delta minus), and a slight positive charge, δ⁺ (delta plus), at the Hydrogen.

This allows strong inter molecular forces to occur, as the slightly positive Hydrogens are attracted to the slightly negative Oxygens. This force of attraction between water molecules causes them to want to 'stick together', causing a high surface tension.

So the answer is B)

The polarity of the water molecule helps it to cohere to nearby water molecules, forming a skin over it.

Phosphorus cycles between living things and the

Answers

Phosphorus cycles between living things and the SOIL

Explanation:

Phosphorus flows in a cycle within rocks, water, soil and sediments, and organisms. The phosphorus cycle is the biogeochemical cycle that represents the action of phosphorus within the lithosphere, hydrosphere, and biosphere. Phosphorus is an essential element for all sorts of life. As phosphate (PO4), it delivers up an essential part of the structural core that holds DNA and RNA mutually.

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Phosphorus cycles between living things and the Soil

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