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Nitrogen cycle:

The process when nitrogen is converted into chemical forms is known as the nitrogen cycle. This process includes the transformation which is carried out, whether through physical or biological way. The nitrogen cycle includes fixation, ammonification, nitrification and denitrification.

Carbon cycle: The biochemical cycle, which is replaced among the biosphere, pedosphere, geosphere hydrosphere and also the atmosphere of the earth are known as the carbon cycle.
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