Environmental History
The nitrogen cycle is the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms. This cycle is essential for life, as nitrogen is a key component of amino acids, proteins, and nucleic acids. The cycle includes several stages such as nitrogen fixation, nitrification, denitrification, and ammonification, which collectively demonstrate how human activities can disrupt natural processes and contribute to broader environmental changes.
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