What organism changed the atmosphere?

asked Mar 25, 2018 40.5k views

2 votes

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3 votes

when photosynthetic organisms evolved there was a giant impact on the atmosphere. blue-green algae.

Fuzic answered Mar 27, 2018

by Fuzic

8.1k points

4 votes

blue-green algae. I think.

Drebabels answered Mar 31, 2018

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