Question

Explain Nitrogen cycle in Atmosphere

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Answer 1

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes.

Nitrogen is present in the environment in a wide variety of chemical forms including organic nitrogen, ammonium (NH4+),

nitrite (NO2-), nitrate (No3-), nitrous oxide (N2O), nitric oxide (NO) or inorganic nitrogen gas (N2). Organic nitrogen may be in the form of a living organism, humus or in the intermediate products of organic matter decomposition.

Answer 2

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Series of processes by which nitrogen and it's compound are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition.

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