Science, asked by kalpana055, 3 months ago

explain the process of nitrogen cycle, carbon cycle and oxygen cycle​

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Answered by avengers0707
1

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Answered by prapti200447
1

Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.

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