FluffyMath
FluffyMath
13-06-2017
Chemistry
contestada
What organism changed the atmosphere?
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Rachelt528
Rachelt528
13-06-2017
blue-green algae. I think.
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kristinarose199
kristinarose199
13-06-2017
when photosynthetic
organisms evolved there was a giant impact on the atmosphere.
blue-green algae.
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