Select the correct answer.
Ajar is filled with water, and the lid is closed tightly. The jar is kept at constant temperature. What happens at the surface of the water?
A
Water molecules evaporate and condense at the same rate.
B. Water molecules evaporate and condense, but evaporation occurs more quickly.
C. Water molecules evaporate only and do not condense.
D. Water molecules condense only and do not evaporate.
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