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What component of Earth's atmosphere exists entirely as a result of photosynthesis? O oxygen gas O water vapor O nitrogen gas O carbon dioxide gas
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What component of Earth's atmosphere exists entirely as a result of photosynthesis?

O oxygen gas
O water vapor
O nitrogen gas
O carbon dioxide gas

What component of Earth's atmosphere exists entirely as a result of photosynthesis-example-1
User Hitobat
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2 Answers

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Oxygen gas. During photosynthesis a plant takes in carbon dioxide and releases oxygen.
User Ray Hulha
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Answer:

oxygen gas

Step-by-step explanation:

because oxygen is needed for life on Earth

User MisutoWolf
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