Assertion (A): In southern hemisphere, westerlies are stronger with very high velocity of winds than in the northem hemisphere.Reason (R): In southern hemisphere, there is vast expanse of ocean and therefore westerlies attain terrific speed.

• 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 and (R) is flase.
• D. (A) is false, but (R) is ture