By drawing neat and labelled diagram define oxygen cycle in nature.
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Solution
Oxygen cycle:
The oxygen cycle is the biogeochemical cycle of oxygen. It is mainly involved in maintaining the level of oxygen in the atmosphere.
Oxygen is the main by-product of photosynthesis. It is involved in the oxidation of carbohydrates with the release of energy, carbon dioxide, and water.
Stages of the Oxygen Cycle:
The steps involved in the oxygen cycle are:
Stage 1: All green plants during the process of photosynthesis, release oxygen back into the atmosphere as a by-product.
Stage 2: All aerobic organisms use free oxygen for respiration.
Stage 3: Animals exhale Carbon dioxide back into the atmosphere which is again used by the plants during photosynthesis. Now oxygen is balanced within the atmosphere.
