The human body contains nitrogen (N2) as part of amino acids, ATP, DNA, and RNA. The
atmosphere is about 79% nitrogen, but humans cannot use nitrogen in its atmospheric form. How
is atmospheric nitrogen made available for use in the human body?
a. Plants absorb nitrogen after it is changed to useable compounds by the radiant energy of the
Sun.
b. Rainwater dissolves the nitrogen gas in the air and makes it available to plants and animals
c. Humans have special enzymes in their lungs to make nitrogen gas useable.
d. Bacteria change nitrogen gas to useable compounds that can be absorbed by plants.

Respuesta :

Answer:

its D.

Explanation:

Bacteria change nitrogen gas to useable compounds that can be absorbed by plants.  

Brainliest plz

Humans obtain nitrogen because bacteria change nitrogen gas to useable compounds that can be absorbed by plants.

What is nitrogen fixation?

Nitrogen fixation refers to the various processes by which nitrogen is made available to plants by from the environment.

Nitrogen found in the human body is obtained from plants and well as by eating animals which have taken in plants.

Bacteria are responsible for fixing nitrogen in plants.

Therefore, humans obtain nitrogen because bacteria change nitrogen gas to useable compounds that can be absorbed by plants.

Learn more about nitrogen fixation at: https://brainly.com/question/13485053