Question

Why is nitrogen essential to life

Answer 1

Answer: Because it is a key in the elaboration of proteins in plants and animals. Without Nitrogen life would no exist.

Explanation:

It is important to know that the three major elements that constitute Eartn's atmosphere are the following:

1. Nitrogen.

2. Oxygen.

3. Argon.

The most abundant element in the atmosphere is the Nitrogen, which  in the form of $N_2$ and represents about 78% of the atmosphere's constitution. Then, it is everywhere.

Nitrogen is essential for the plants a animals to grow a reproduce, because it is a key in the elaboration of proteins in plants and animals.

If a plant do not get enough Nitrogen, it does not produce amino acids, which cause that it cannot make the special proteins and the cells of the plants need them to grow.

Therefore, without Nitrogen life would no exist.