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What is the correct process sequence for dew forming on leaves and disappearing after sunrise?

Answer and explanation

Correct answer: Condensation at night, then evaporation during day

Answer: A. During a suitable night, leaves and other exposed surfaces lose heat and become cool. Moist air touching them may reach its dew point, so water vapour condenses into liquid droplets on the leaves. After sunrise, solar heating raises the temperature of the leaves and nearby air. The droplets can then evaporate back into the atmosphere, so the visible dew disappears. A is correct because it gives the sequence in the proper order: nighttime condensation followed by daytime evaporation. B reverses the usual timing and introduces unrelated rain. C describes geomorphic processes, not dew. D mentions snowfall and mist without explaining the formation or disappearance of leaf droplets. Memory cue: cool night makes dew; warm sun removes it.

Related tags

DewCondensationEvaporationDiurnal CycleForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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