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lina2011 [118]
3 years ago
8

How did the first photosynthetic organisms help turn Earth's early environment from anaerobic to aerobic​

Biology
1 answer:
blsea [12.9K]3 years ago
7 0

Answer:

Two and a half billion years ago, single-celled organisms called cyanobacteria harnessed sunlight to split water molecules, producing energy to power their cells and releasing oxygen into an atmosphere that had previously had none.

Explanation:

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