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Biology, 04.06.2020 14:57 legrandschool1oxa0sd
What do scientists use to divide the geologic time scale?
Major changes in mineral deposits in the rock layers
Evidence for catastrophic events in Earth's history
Major divisions in the fossil records
Major divisions in the sedimentary rock layers
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What do scientists use to divide the geologic time scale?
Major changes in mineral deposits in the...
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