Explanation:
Assertion (A) Legumes revive the soil fertility.
Reasoning (R) Microbes in the root nodules of the leguminous plants.
Both A are R are true and R is the correct Explanation of A.
This is due to addition of Nitrogen in plants
Hooe it HELPS ☃️
The answer is c. not b.
Answer: changed by molecular oxygen
Biologically induced molecular oxygen (dioxygen, O2) started to accumulate in Earth's atmosphere and changed Earth's atmosphere from a weakly reducing atmosphere to an oxidizing atmosphere.
