How did early photosynthetic organisms such as Cyanobacteria affect earths atmosphere?

asked Mar 10, 2023 60.0k views

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11 votes

Answer: They replaced oxygen with carbon dioxide in the atmosphere.

Step-by-step explanation:

Tugra answered Mar 12, 2023

by Tugra

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5 votes

Answer:

it helped move water around the earth

Benjamin Li answered Mar 16, 2023

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