Question

explain nitrogen cycle with a neet sketch diagram

Answer 1

Nitrogen cycle is all about the movement of nitrogen between various elements on Earth (like air, soil, living organisms etc.) The amount of nitrogen in the atmosphere remains constant. Atmosphere has approx. 78% nitrogen.
Atmospheric Nitrogen is fixed into the soil
N2 fixing microbes convert atm. N2 into nitrogen compounds like NH3
Plants utilize nitrogen from soil through their roots
Animals utilize nitrogen, feeding on plants
When Plants & animals die, Nitrogenous wastes are returned to soil
Decomposers convert some part to nitrogen compounds to be used by plants
Denitrifying bacteria convert into atm. N2.


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Answer 2

hey mate!!!!!!!!!

Nitrogen Cycle

here is ur answer......###

The nitrogen cycle refers to the cycle of nitrogen atoms through the living and non-living systems of Earth. Because nitrogen is a necessary ingredient for life as we know it, the nitrogen cycle is vital to sustaining life on Earth.

Nitrogen was originally formed in the hearts of stars through the process of nuclear fusion. When ancient stars exploded, they flung nitrogen-containing gases across the Universe. When the Earth was formed, nitrogen gas was a main ingredient in its atmosphere.

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Today, the Earth’s atmosphere is about 78% nitrogen, about 21% oxygen, and about 1% other gases. This is an ideal balance because too much oxygen can actually be toxic to cells, as well as being highly flammable. Nitrogen, on the other hand, is inert and harmless in its gaseous form.

Here we will discuss how nitrogen plays a vital role in the chemistry of life – and how it gets from the atmosphere, into living things, and back again.