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What component of Earth's atmosphere exists entirely as a result of photosynthesis? A.oxygen gas, B. water vapor, C. nitrogen gas, D. carbon dioxide gas​

What component of Earth's atmosphere exists entirely as a result of photosynthesis? A.oxygen gas, B. water vapor, C. nitrogen gas, D. carbon dioxide gas​
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What component of Earth's atmosphere exists entirely as a result of photosynthesis? A.oxygen gas, B. water vapor, C. nitrogen gas, D. carbon dioxide gas​

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User Vayn
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A. Oxygen Gas

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User Kevin Jin
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