Question

Which geologic period lasted for almost 7/8 of earth’s history?

A.the Precambrian time



B.the Phanerozoic Eon


C.the Carboniferous Period


D.the Quaternary Period

Answer 1

I think the correct answer from the choices listed above is option A. The geologic period which lasted for almost 7/8 of earth’s history would be the Precambrian time. This period covers about 90% of the entire history of the Earth. It happened about 4.6 billion years ago. Hope this answers the question.