Question

Assertion (A)-The uppermost layer is topsoil which is exposed to
air and it bears plants on it.
Reason(R)- Topsoil contains a lot of humus. Humus makes the soil
fertile.
a. Both A and R are ture and R is the correct explanation of A.
b. Both A and R are true but R is not the correct explanation of A.
c. A is true but R is false.
d. A is false but R is true.

Answer 1

BOTH A SND R ARE CORRECT

Explanation:

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Answer 2

answer : Both A and R are ture and R is the correct explanation of A.