In science class, a student was asked to observe an unknown sample under a microscope and to take notes on what he observed. Below are the student's observations. What component of Cell Theory best supports this student's observations?

Group of answer choices

A. All cells come from preexisting cells

B. All cells have a nucleus

C. All cells need energy to grow

D. All cells need to move to make room for other cells.

That would be A

Explanation:

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the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

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