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Earth Sciences 16 Online
OpenStudy (kalynne):

Which geologic period lasted for almost 7/8 of earth’s history? A. the Precambrian time B. the Carboniferous Period C. the Phanerozoic Eon D. the Quaternary Period will medal

OpenStudy (alexandervonhumboldt2):

The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. Source: Unknown. The Precambrian Era comprises all of geologic time prior to 600 million years ago.

OpenStudy (alexandervonhumboldt2):

https://en.wikipedia.org/wiki/Precambrian

OpenStudy (alexandervonhumboldt2):

The Precambrian accounts for 88% of geologic time

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