What is oxygen cycle? 30 marks ka h plzz no spam
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The use of oxygen by plants during photosynthesis and animals during respiration is called oxygen cycle
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Explanation:
Oxygen cycle, the oxygen cycle is the that helps move oxygen through the three main region of the earth, the atmosphere, biosphere and the lithosphere. The atmosphere is of course the region of gases that lies above the earth surface and it is one of the largest reservior of free oxygen on earth.
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