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Why can dew disappear after sunshine begins?

Answer and explanation

Correct answer: It evaporates and becomes water vapour

Correct answer: B, dew can evaporate and become water vapour. Dew is liquid water deposited as small droplets on cool surfaces during the night or early morning. When sunshine begins, the surface receives energy and becomes warmer. The droplets also gain heat. If enough energy is supplied, liquid water changes into water vapour and mixes with the surrounding air; this change is called evaporation. A is wrong because frost is ice deposited or formed under freezing conditions, not the normal result of warming sunshine. C is wrong because water does not change into rock in this process. D is wrong because dew does not remove soil. The exact speed of disappearance depends on sunlight, temperature, humidity, and wind, but the basic sequence is cooling and condensation at night followed by warming and evaporation after sunrise. Memory cue: cool night makes dew; warm sunlight removes it by evaporation.

Related tags

DewSunshineEvaporationWater VapourForms Of Condensation: DewFrostFogAnd MistForms Of Condensation Dew Frost Fog And MistWater In The AtmosphereGeography

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