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Small water droplets forming on a car window in the morning are an example of what?

Answer and explanation

Correct answer: Dew

Correct answer: A, dew. During a cool morning, the glass may become colder than the nearby moist air. When the air touching the glass cools sufficiently, water vapour changes into liquid water and appears as small droplets on the surface. This is the basic process of condensation on a cool surface. Frost would be the appropriate term if the deposited water were ice crystals on a surface cold enough for freezing. B is therefore wrong for the liquid droplets described. C is wrong because a sandstorm involves moving dust or sand, not water droplets produced by cooling. D is wrong because a landslide is the downward movement of soil or rock on a slope. The important clue is “small water droplets on a cool surface.” Memory cue: dew is wet; frost is icy.

Related tags

DewCold SurfaceCondensationForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeographyClass 12 Mcq

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