Question

The _______ gas maintains the fertility of the soil .​

Answer 1

Answer:

SOIL GAS.

is your answer hpe it helps

Answer 2

$\huge\mathcal\pink{Question}$

The _______ gas maintains the fertility of the soil .

$\huge\mathcal\red{Answer}$

The primary soil gases include nitrogen, carbon dioxide and oxygen. The oxygen is critical because it allows for respiration of both plant roots and soil organisms. Other natural soil gases are atmospheric methane and radon.