3. How does chemical evolution explain the origin of life on Earth?

A third theory of life's origin is known as chemical evolution. In this idea, pre-biological changes slowly transform simple atoms and molecules into the more complex chemicals needed to produce life. ... This modern theory then suggests that life originated on Earth by means of a rather slow evolution of nonliving matter.

Explanation:

got on google I will retype in my own word if u like.

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blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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i believe your answer would be c.. : )