I think the answer is B. Infectious agents.
Answer:
It indicates galaxy motion through light wavelengths. It indicates a galaxy moving toward Earth through red shift.
Explanation:
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Polymerase chain reaction makes more copys of a single cell.
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It’s a type of protein that is found within the cell, create chemical reaction to their body to help support life.
For the answer to the question above, <span>If animals are related they share genes in common. The more genes they share on their DNA, the more alike they may be, like the rodents.
However, the behavior is caused not only by genes but by the environment plays an important part as well.</span>
