Question

what is nitrogen cycle​

Answer 1

Answer:

the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

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Answer 2

The nitrogen cycle is a biogeochemical cycle that turns inert nitrogen from the atmosphere into a more useful form for living beings.

Explanation:

• The nitrogen cycle is a biogeochemical process in which nitrogen is transported from the atmosphere to living organisms and then returned to the atmosphere in various forms.
• The creation of nucleic acid and proteins in living organisms requires nitrogen. Nearly 78 percent of nitrogen in the atmosphere is in an inert state ($N_{2}$). Living organisms cannot use this nitrogen until it is transformed to ammonia, nitrates, and other nitrogen-based molecules.
• The nitrogen cycle is a cyclical process in which nitrogen moves from an inorganic state in the atmosphere to an organic state in living organisms. Nitrogen fixation, assimilation, ammonification, nitrification, and denitrification are all phases in the nitrogen cycle.
• This cycle is prevalent in both marine and terrestrial ecosystems and is critical for maintaining optimum ecological equilibrium.