Organic Life and Natural Support: The Nitrogen Cycle

Earth's atmosphere contains many gases, including oxygen, carbon dioxide, nitrogen.  It has the highest 5% nitrogen y.  Nitrogen is needed for living organisms, from plants to humans, but 5 percent of the nitrogen in the air does not work.  The air we breathe contains a lot of nitrogen but it is of no use. Animals and humans get the necessary nitrogen from their body.  Cereals, fruits, vegetables, etc. Vegetables are the only nitrogen in food.  Nitrogen in a plant is absorbed from the soil by its roots.  The bacteria in the soil convert nitrogen into nitrate and this is the nitrate plant food.  Many of them become life-threatening chemicals. 
 Organisms Nature has created a cycle of nitrogen for life.  By eating animal herbs Obtains nitrogen and returns the soil through feces.  When an animal dies, its body's nitrogen also dissolves in the soil.  When the vegetable leaves fall into the ground, the nitrogen in the soil is also absorbed into the soil, thus the nitrogen releases from the body of the animal into the soil, from the soil to the plant, and through the plant food to the animal body again.  Thus the cycle of creation goes on.  Scientists call it the Nitrogen Cycle.

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