Assertion : The magnetic poles of earth do not coincide with the geographic poles.
Reason : The discrepancy between the orientation of a compass and true north-south direction is known as magnetic declination.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not correct explanation of A
(c) A is true but R is false
(d) A and R are false