3 years ago

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

Biology

2 answers:

lozanna [386]3 years ago

5 0

Answer:

oxygen gas

Explanation:

because oxygen is needed for life on Earth

Varvara68 [4.7K]3 years ago

4 0

Oxygen gas. During photosynthesis a plant takes in carbon dioxide and releases oxygen.

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