Definition of nitrogenCategorized under "General"
Definition as written by paulgrow:
A colorless tasteless odorless element that as a diatomic gas. It is relatively inert and constitutes 78 percent of the atmosphere by volume and that occurs as a constituent of all living tissues
Definition as written by talinum:
Definition as written by Joan:
one of the macronutrients that, together with carbon, oxygen, and hydrogen, make up the group of elements necessary to the life of a plant.
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