Question

How do humans get nitrogen?

Answer 1

Nitrogen:

1. Nitrogen is one of the most abundant gases present in the atmosphere.
2. In the atmosphere it is generally present in the molecular form.
3. Nitrogen molecule has a chemical formula- N₂.

Utilization of nitrogen by humans:

1. Although nitrogen is the most abundant gas in the atmosphere, still neither plants nor humans can utilize it directly from the atmosphere.
2. Plants use nitrogen that is fixed by various nitrogen-fixing bacteria and other natural nitrogen-fixing mechanisms like electrical, biological, and industrial nitrogen fixation.
3. Humans take up nitrogen from organic matter such as plants and animals.