Oxygen is the waste product of: burning fossil fuels photosynthesis respiration the nitrogen cycle

asked Mar 19, 2022 118k views

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Answer:

GaelF answered Mar 20, 2022

by GaelF

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respirations

Step-by-step explanation:

of plants because they breathe in carbondioxide and breathe out oxygen

Rajukoyilandy answered Mar 24, 2022

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