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What do geoligists use to mark divisions in geologic time? No Files or links. 8th Grade Please help asap. A- Abrupt changes in the fossil record B- Frequent episodes of climate change C- movements of Earth's
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What do geoligists use to mark divisions in geologic time? No Files or links. 8th Grade Please help asap.

A- Abrupt changes in the fossil record

B- Frequent episodes of climate change

C- movements of Earth's tectonic plates

D- Rates of radioactive mineral decay

User Filip Szczepanski
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7 votes

A- Abrupt changes in the fossil record
User Olatunji
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6 votes

Answer:

A

Step-by-step explanation:

User Aslamdoctor
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