During which eon did oxygen begin to build up the most in Earth’s atmosphere? Hadean Archean Proterozoic

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asked Nov 27, 2022 55.7k views

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During which eon did oxygen begin to build up the most in Earth’s atmosphere?

Hadean

Archean

Proterozoic

Biology
high-school

Olvlvl asked

by Olvlvl

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1 Answer

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Answer: Proterozoic

Step-by-step explanation:

Yossile answered Dec 1, 2022

by Yossile

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