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If frost is formed on a surface why will it not be called fog?

Answer and explanation

Correct answer: Because frost is solid ice crystals on surface while fog is droplets in air

The correct answer is A because frost and fog differ in both location and physical form. Frost is a deposit of ice crystals or frozen water on an exposed surface when the surface becomes cold enough, usually at or below freezing. Fog is a cloud at or near the ground: it consists mainly of tiny liquid droplets suspended in the air, although ice fog can occur in very cold conditions. Thus, a visible deposit on grass or another surface is not called fog simply because both involve atmospheric moisture. B is wrong because frost is made of frozen water. C is wrong because fog forms in the atmosphere near the ground, not only inside Earth. D is wrong because frost is not always liquid; its defining form is solid ice. Memory cue: frost rests on a surface; fog floats in air.

Related tags

FrostFogState LocationForms Of Condensation: DewAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeographyClass 12 Mcq

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