Which one of the following processes represents a decrease in entropy?

Question

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The condensation of steam on a kitchen window represents a decrease in entropy because the water molecules in the steam are becoming more ordered as they transition from a gaseous state to a liquid state on the window. All of the other processes listed represent an increase in entropy because the molecules involved become more disordered or spread out in space.

Which One of the Following Processes Represents a Decrease in Entropy