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On which surfaces is dew generally seen quickly?

Answer and explanation

Correct answer: On cool surfaces such as grass and leaves

Correct answer: A. Dew forms when a surface cools enough for the air immediately touching it to reach the dew point. Grass, leaves, and other exposed small surfaces can lose heat rapidly at night, especially under clear and calm conditions. Moisture then condenses on them as visible liquid droplets. B is not a practical exposed surface for ordinary observed dew. C is wrong because a burning or very hot surface does not favour condensation. D is not a meaningful surface condition and moving railway tracks are not an ordinary site of dew collection. The key is local surface cooling plus nearby moisture. Memory cue: look for cool, exposed surfaces after a clear night.

Related tags

DewGrassLeavesSurface CoolingForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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