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Biology, 06.01.2021 21:10 toxsicity

Question - All of the oxygen on the earth comes from Answers:
1. producers releaseing it as a a product of photosynthesis

2. the clouds making it when the earth formed

3. heterotrophs breathing it out into the atmosphere

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Question - All of the oxygen on the earth comes from Answers:
1. producers releaseing it as...

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