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liraira [26]
2 years ago
13

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

Biology
2 answers:
lozanna [386]2 years ago
5 0

Answer:

oxygen gas

Explanation:

because oxygen is needed for life on Earth

Varvara68 [4.7K]2 years ago
4 0
Oxygen gas. During photosynthesis a plant takes in carbon dioxide and releases oxygen.
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