Assertion (A) : A geological feature of Africa is the Great Rift Valley.
Reason (R): A Rift valley is a large crack in the earth’s surface formed by tectonic activity.
(a) Both A and R is individually true and R is the correct explanation for A.
(b) Both A and R are individually true but R is not the correct explanation for A
(c) A is true but R is false.
(d) R is true but, A is false
