Assertion: Black soils are black in colour due to diffusion of iron in crystalline and metamorphic
rocks.
Reason: They develop deep cracks during hot weather
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.(c) A is true but B is false.
(d) A is false but R is true.
rocks.
Reason: They develop deep cracks during hot weather
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.(c) A is true but B is false.
(d) A is false but R is true.