kellera14453p5bzrl kellera14453p5bzrl

13-10-2018
Biology

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Which of the following was a major source of atmospheric oxygen?

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dchristopher89 dchristopher89

13-10-2018

was a major source...past tense ? don't go by this answer I'd say plants..not sure how specific...lmk and ill answer it if you're still on this

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Kawaiimaden Kawaiimaden

02-10-2019

Answer: It is photosynthesis!

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