Question

What are the major geological process in eras

Answer 1

What separates geologic time into eras and periods?.

geologic era is a subdivision of geologic time that divides an eon into smaller units of time. These eras are separated by catastrophic extinction boundaries: the P-T boundary between the Paleozoic and the Mesozoic, and the K-Pg boundary between the Mesozoic and the Cenozoic. .

Answer 2

Explanation:

there are four majors:

1. precambrian

2. paleazoic

3. mesozoic

4. cenozoic eras

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