Question

2. Rhizobium and Pesudomonas are majorly involved in which of the following bio-geo-
chemical cycle/s?
A. Oxygen and carbon cycle
B. Carbon and nitrogen cycle
C. Oxygen cycle
D. Nitrogen cycle​

Answer 1

Answer:

d...

Explanation:

it form symbotic association

Answer 2

Answer:

Explanation:

D. Nitrogen cycle dear

Hope it helps....

Pls mark as brainliest :)