asked 211k views
3 votes
Geologists have divided Earth's history into time units, which are largely based on

A. oral histories.
B. fossils.
C. written correspondences.
D. climates.

asked
User Tamecka
by
7.4k points

2 Answers

3 votes
i would assume B. Fossils
answered
User Camillo
by
8.0k points
0 votes
I'm assuming fossils but also oral histories
answered
User Mike Hanafey
by
7.4k points
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