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The nitrogen cycle involves several processes that recycle nitrogen through the environment and living organisms.
Diagram Description
Simplified Nitrogen Cycle
The diagram shows the following stages: plant and animal proteins breaking down into ammonium ions; nitrification converting ammonium ions into nitrites and nitrates; nitrogen fixation by lightning and bacteria; plants absorbing nitrate ions; animals digesting proteins; deamination producing ammonium ions; and denitrification converting nitrates back into nitrogen gas.
- a[2]
Describe how nitrification contributes to the nitrogen cycle.
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