The science of classifying animals is: TAXONOMY
<span>D. Writers vary sentence structure and length, depending on the purpose of a piece</span>
<span>In hazardous situations, the instinct to survive overcomes everything else.</span>
Explains that when the whole world seems to not be on your side that your real friend will be there by your side through thick and thin and understand you
EXCEPT allow us to skip editing, so THE ANSWER IS B