Question

Nitrogen is important to life because it is part of _____.

DNA, amino acids, and proteins
plant photosynthesis
the air we breathe
lightning storms

Answer 1

Well, nitrogen is "the chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth's atmosphere."

I would guess its in the air that we breathe. I don't really know this. Just basing off of research.

Answer 2

so what do you think it is

Answer 3

Maybe C.

Answer 4

Let me know if its right.