Haw is the nitrogen cycle important to humans?

Nitrogen plays a vital role in the human body. As Amino acids contain nitrogen and amino acids are the building blocks of human body cells, tissues, and organs. Nitrogen is important to make the nucleic acid and DNA of the human body. The human body contains 3% nitrogen which is required to make DNA, hairs, muscles and many more. We can get the required amount of nitrogen through protein intake.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

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