Why do people perspire a lot on a hot-humid day?
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Because on hot humid day temperature is high so the evaporation rate also increases.Thats why we perspire more on hot humid day.
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Because of the mechanism of our body which keeps us cool. we know that during evaporation, the particles at the surface of liquid gain energy from the surroundings or body surface and change into vapour.The heat energy equal to the latent heat of vaporisation is absorbed from the body leaving the body cool.
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