Which of the following correctly explains why clothes dry faster on a windy day?
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A.
Wind increases the humidity around the clothes.
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B.
Wind removes the water vapour from the clothes’ surroundings.
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C.
Wind decreases the temperature of the water molecules.
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D.
Wind reduces the surface area of the clothes.
Correct Answer:
B. Wind removes the water vapour from the clothes’ surroundings.
Explanation:
On a windy day, clothes dry more quickly because the moving air constantly replaces the moisture-laden air surrounding the fabric with drier air from the environment. This continuous circulation prevents the air near the wet clothes from becoming saturated, thereby accelerating the rate of evaporation. By effectively carrying away water vapor as it is released, the wind maintains a favorable humidity gradient that allows moisture to escape the cloth fibers more efficiently.
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