Assertion [A]: In contemporary geography, there is an increasing awareness of the need for an interdisciplinary approach to the regional problems. Reason [R]: Groups of scholars with diverse backgrounds and skills focus on specific sets of regional problems more comprehensively and scientifically.

• A.  Both A and R are individually true and R is the correct explanation of A
• B.  Both A and R are individually 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