Science, asked by Anonymous, 3 months ago

write a short note on nitrogen cycle ?​

Answers

Answered by Anonymous
2

Explanation:

Our atmosphere consists of 78% nitrogen gas.

Nitrogen is one of the essential constituents of all

living organisms as a part of proteins, chlorophyll,

nucleic acids and vitamins. The atmospheric

nitrogen cannot be taken directly by plants and

animals. The nitrogen-fixing bacteria and algae

present in the soil fix nitrogen from the atmosphere

and convert into nitrite and nitrate forms. Once

nitrogen is converted into these usable forms, it can

be utilised by plants through their root system. This

is the process of 'FIXING' OF NITROGEN.

Answered by Anonymous
5

Answer:

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.

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