19-09-2021
Physics

contestada

The geologic timescale has units based on changes in rocks and fossils.
true or false

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kimochihitori kimochihitori

19-09-2021

True

Scientists devised the geologic time scale after observing changes in fossils as they progressed from oldest to youngest sedimentary strata. Eons, eras, periods, and epochs make up the geologic time scale.

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