Nitrogen makes up approximately 78% of the earth's
atmosphere. Nitrogen is the primary building block of amino and nucleic acids, which
are essential to life. The nitrogen in the atmosphere must undergo natural fixation to
change form from gas to liquid. Then, through precipitation, the nitrogen is absorbed
in the soil and becomes a crucial component of food production in plants, thus beginning
the food chain.
For more information on the Nitrogen Cycle,
refer to the website below.
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