Environmental Sciences, asked by kmohe9658, 11 months ago

What is the primary source of oxygen that is present in our atmosphere?

Answers

Answered by ashmit38

plants are the primary source of oxygen present in our atmosphere

Answered by madhuri36

50 per cent of earth's oxygen comes from tiny ocean plants- called phytoplankton- that live near the water's surface-by the process of photosynthesis.

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