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What component of Earth’s atmosphere exists entirely as a result of photosynthesis?

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​

3 Answers

L
Lori Robel

Feb 20, 2025

Oxygen gasExplanation: Photosynthesis is where carbon dioxide, water, and sunlight are turned into oxygen, and glucose (energy for the plant). The only gas released is oxygen.... Show More
L
Lori Robel

Feb 20, 2025

During photosynthesis, plants through the aid of their chlorophyll use carbon dioxide and glucose to convert these into oxygen and energy. Oxygen is released to the atmosphere which is in result used by animals to breathe. Animals in return contribute by releasing carbon dioxide used for their synthesis. answer is A>... Show More

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