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What is the most important difference between dew and frost?

Answer and explanation

Correct answer: Dew forms as liquid droplets and frost as ice crystals

Correct answer: A. Dew is liquid water that collects as droplets on a cool surface when moist air cools to its dew point and the surface remains above freezing. Frost is a solid deposit of ice crystals that forms when the surface is below freezing and water vapour changes directly into ice, a process called deposition. Thus, their physical state is the key difference. B is wrong because dew and frost are not restricted to mountains or seas. C is wrong because both involve moisture changing state; dew is not formed without condensation. D is wrong because freezing conditions are important for frost. Memory cue: dew is wet; frost is icy.

Related tags

DewFrostCondensationIce CrystalsForms Of Condensation: DewFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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