The appearance of multicellular organisms coincided with increased levels of _______ in earth's atmosphere.

Kevin Pullin asked Sep 22, 2023

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Kevin Pullin asked Sep 22, 2023

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19 votes

Answer:

oxygen

Step-by-step explanation:

The appearance of multicellular organisms coincided with increased levels of oxygen in earth's atmosphere.

Akshay Arora answered Sep 26, 2023

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