Answer: During vigorous exercise your breathing rate increases in order to intake more oxygen
Explanation: during vigorous exercise / activity the body needs more oxygen in order to produce energy so your breathing rate increases in order to reach the demand of more intake of oxygen , and your muscles work harder due to an increase in oxygen demand and how much oxygen the muscles take from the blood during vigorous exercises , BUT during rest we have normal rate of oxygen intake because your body is at rest at that moment .
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Different monomers contain different kinds of atoms needed to produce different end products
It modifies, packages,and sorts proteins that will be secreted into the cell. So synthesis of proteins.
Answer:
B
Explanation:
The do vary in size and temperature because as the layers go down to the core it gets harder and magma is more present