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In which condition can morning mist persist longer instead of clearing quickly?

Answer and explanation

Correct answer: Cool stable moist air and weak sunshine

The correct answer is B: cool, stable, moist air with weak sunshine allows mist to persist. Morning mist usually clears when sunlight warms the air and surface, evaporation reduces liquid droplets, or wind mixes the moist layer with drier air. In contrast, weak sunshine provides little heating, while stable air limits vertical mixing. If the air remains moist and cool, the droplets do not evaporate rapidly, so mist may last longer. A is wrong because strong sunlight and strong dry wind usually promote warming, evaporation, and mixing. C is wrong because a very hot dry surface tends to dissipate mist. D is wrong because mist itself requires moisture. Memory cue: mist clears with heat and mixing; it persists with cool, moist, stable air.

Related tags

Mist PersistenceStable AirWeak SunshineForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeographyClass 12 Mcq

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