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What was the major contributor of oxygen to earth's early atmosphere?
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Mar 28, 2018
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What was the major contributor of oxygen to earth's early atmosphere?
Biology
high-school
Eric Pi
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Eric Pi
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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.
Elheni Mokhles
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Mar 29, 2018
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photosynthesis I believe
Raimue
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Apr 3, 2018
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