Question

What is carbon cycle??​

Answer 1

the series or process in which carbon dioxide rate is maintained in atmosphere is known as carbon cycle

ex. carbon dioxide is released in atmosphere in process of respiration but it is taken by planting during photosynthesis and hence carbon cycle is maintained.

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Answer 2

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Carbon is present in the compound form in atmosphere ie., CO2, carbonates in water which forms limestone.CO2 is taken by plants during photosynthesis to form organic compounds like glucose, carbohydrates, these plants are further eaten by animals, and decomposition gives CO2 back to the atmosphere. Plants and animals which get buried under the earth and does not decompose form coal and petroleum respectively.Animals and plants also release CO2 back to the atmosphere during respiration.