Question

Soil is the main reservoir of nitrogen in the biosphere true or false

Answer 1

True.Because nitrogen is derived by plants from the soil.

Answer 2

Hey mate your answer is
The rhizobium bacteria which live in root of plant and they absorb nitrogen from the air and provide it to the plants . Plants live in soil .
So, It's true.
Hope this is correct.
If correct mark me as brainliest.