I am having trouble answering this question I think it would be either A or D bu

Question

I am having trouble answering this question I think it would be either A or D but im not sure. If someone could explain the answer that would be greatly appreciated.

STOP TO THINK 11.7 Which of the following processes does not involve a change in entropy? A. An electric heater raises the temperature of a cup of water by 20°C B. A ball rolls up a ramp, decreasing in speed as it rolls higher. C. A basketball is dropped from 2 m and bounces until it comes to rest D. The sun shines on a black surface and warms it

Explanation / Answer

Answer: B) A ball rolls up a ramp decreasing in speed as it rolls higher. in that does not involve entropy changes phenomenon.

Explanation: A, C, D involves in the change in the entropy process. In A process entropy increase as temperature raises also the same phenomenon occurs in option D.

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