Assertion (A) : The atmosphere receives most of the heat only indirectly from the sun and directly from the earth's surface.Reason (R) : The conversion from short wave solar to long wave terrestrial energy takes place at the earth's surface.Code

• A. A is false but R is true
• B. A is true but R is false
• C. Both (A) and (R) are true but (R) is not the correct explanation of (A)
• D. Both (A) and (R) are true and (R) is the correct explanation of (A)