Select 3 that apply.
Why is nitrogen important to all living things?

1:It is a part of amino acids,which help build proteins.

2:It provides the body with the right amount of salt(sodium) levels.

3:It is a part of nucleic acids, which help build DNA.

4:It helps in the purification of water.

5:It is involved in the majority of the energy processes that occur in the cells of organisms.