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adoni [48]
3 years ago
11

How are cyanobacteria related to the atmosphere

Biology
1 answer:
igor_vitrenko [27]3 years ago
4 0

Answer:

Cyanobacteria were photosynthetic and slowly changed the earth's atmosphere from CO2 rich to O2 rich. Photosynthetic cyanobacteria evolved by 3.5 billion years ago and greatly modified earth's atmosphere.

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