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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

Answers: 3

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Question - All of the oxygen on the earth comes from Answers:
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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

Answers

Another question on Biology

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