Assertion (A): The thickness of the atmosphere is the maximum over the equator.????? Reason (R): High insulation and strong convection currents occur over the equator.

• A. Both A are 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 fast false but R is true