kaeppelkay
kaeppelkay kaeppelkay
  • 12-04-2017
  • Biology
contestada

What was the major contributor of oxygen to earth's early atmosphere?

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PureVelocity
PureVelocity PureVelocity
  • 12-04-2017
It's a bacteria that grew along all the ocean coast that took in carbon and through photosynthesis, turned it into oxygen, the process took about a billion years.
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laurenhaldeman
laurenhaldeman laurenhaldeman
  • 12-04-2017
photosynthesis I believe
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