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What is the main reason water dries quickly in deserts during summer?

Answer and explanation

Correct answer: High temperature and low humidity

Correct answer: B, high temperature and low humidity. High solar heating raises the temperature of the water and gives surface molecules enough energy to escape as vapour. Desert air is commonly very dry, so it has a large capacity to receive additional water vapour. The combination creates a strong gradient between the wet surface and the dry air, increasing evaporation. A is incorrect because clouds and rainfall are not the usual explanation for rapid drying in a dry desert summer. C would reduce evaporation because low heat supplies less energy and saturated air has little capacity for more vapour. D is also incorrect because excess vapour means high humidity and tends to slow further evaporation. Memory cue: hot surface plus thirsty, dry air means fast evaporation.

Related tags

GeographyDesertEvaporationHumidityAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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