Consider the 4.6-billion-year history of the Earth. Geological and fossil eviden

Question

Consider the 4.6-billion-year history of the Earth. Geological and fossil evidence indicates that during the greatest fraction of its history, the Earth....
A. was too hot to have either a solid surface or any form of life.
B. had organic molecules in liquid water, but no living forms.
C. had unicellular organisms, but not multicellular.
D. had both multicellular and unicellular organisms, but no terrestrial (land) forms.
E. had bot terrestrial, freshwater, and marine organisms, both unicellular and multicellular.

Explanation / Answer

A

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