Assertion: When ice melts, work is done by atmosphere on (ice+water) system.
Reason: On melting of ice volume of (ice+water) system decreases.
A. (a) If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
B. (b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C. (c) If Assertion is true, but the Reason is false.
D. (d) If Assertion is false but the Reason is true.