The Nitrogen Cycle
The Nitrogen Cycle
The Nitrogen cycle is the exchange of nitrogen gas in the earth's atmosphere and living organism's. Nitrogen is a necessity to all living organisms in their production of proteins, DNA, and RNA in their cells . However, only a few organisms can use this gas directly, due to the fact that it may limit the growth of plants. Nitrogen takes up about 78% of the earth's atmosphere. The nitrogen cycle has three main chemical transformations, including nitrogen fixation, nitrification, and denitrification .
The first main transformation of nitrogen gas is nitrogen fixation. Nitrogen Fixation is the process in which pure nitrogen is converted to various, usable nitrogen compounds. Three processes are responsible for most of the nitrogen fixation in the atmosphere , Atmospheric Fixation, Biological Fixation and Industrial Fixation. Lightning is responsible for atmospheric fixation. In atmospheric fixation, the energy of lightning breaks down the molecules of......
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