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Why can convectional rainfall be more common in the afternoon?

Answer and explanation

Correct answer: Because afternoon surface heating lifts air upward

The correct answer is A: afternoon surface heating lifts air upward. During the day, sunlight warms the ground, and the ground warms the air touching it. This warmer air becomes less dense and rises by convection. As it rises, it expands and cools. If it cools to the dew point, water vapour condenses into cloud droplets; continued uplift may produce showers or thunderstorms. B is wrong because solar heating does not become zero in the afternoon. C is wrong because water vapour does not simply disappear; some may be added by evaporation. D is wrong because afternoon heating can help clouds grow rather than always destroy them. Memory cue: heated surface, rising air, cooling, condensation, rain.

Related tags

Convectional RainfallAfternoon HeatingVertical UpliftClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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