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Which statement explains the difference between fog and mist most scientifically?

Answer and explanation

Correct answer: Fog is denser than mist and reduces visibility more

Answer: A. In ordinary geographical usage, fog and mist are both collections of tiny water droplets suspended near the ground, but fog is denser and reduces horizontal visibility more strongly than mist. The distinction is mainly one of concentration and visibility, not a completely different substance. Option B is wrong because mist is commonly made of liquid droplets; it is not always composed of ice crystals. Ice crystals may occur under particular freezing conditions, but that is not the definition of mist. Option C is wrong because fog can form during night, morning, or other times when cooling and moisture conditions are suitable; it is not restricted to noon. Option D is wrong because mist commonly occurs near the ground and can be seen around roads, fields, and valleys. A useful memory cue is: fog is thicker, mist is lighter. Always interpret the difference through visibility and density rather than assuming a different chemical composition.

Related tags

GeographyFogMistScientific-DifferenceForms Of Condensation: DewFrostAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereClass 12 Mcq

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