Respuesta :
Answer:
C. Makes energy in cells
Explanation:
Nitrogen has the role of making energy in cells of the human body.
Answer: Option D
Explanation:
Nitrogen is present in atmosphere in abundant amount. It is present in gaseous state in atmosphere.
Nitrogen is found inside body in proteins. It helps in protein synthesis and is a major component of protein.
Amino acids are the building blocks of all the proteins. Nitrogen in body is also present in the form of urea. So, it an important component inside body.