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chemistry

Oxygen is returned to the atmosphere mainly by :

A

Burning of fossil fuel

B

Respiration

C

Photosynthesis

D

Fungi

Answer

During the process of photosynthesis, plants lead to the formation of complex sugars (food) using water and carbon-di-oxide in the presence of sunlight and releases oxygen into the environment. While processes like burning fuels and respiration releases carbon-di-oxide into the air

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toppr

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