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tester [92]
3 years ago
5

The oxygen produced by the first photosynthesis autotrophs

Biology
2 answers:
sesenic [268]3 years ago
7 0
Gd helmsman p xl a Smallwood Rosemarie
andrew-mc [135]3 years ago
4 0
I think it's cyanobacteria during the 3rd era. The cyanobacteria split water to get hydrogen then oxygen is released to the atmosphere.
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