Q:

Why does perspiring cause heat energy to be lost from the body? Because:

waelhammad
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2022-10-22
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Why does perspiring cause heat energy to be lost from the body? Because:

  1. being at a lower temperature than the skin, sweat cools skin by conduction.
  2. evaporating water molecules remove heat in the form of their own kinetic energy.
  3. the presence of sweat on the skin prevents infra-red radiation being absorbed.
  4. sweat on the skin allows heat to be lost to the air by conduction.
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waelhammad
2022-10-22
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B: Vaporising water molecules carry away mare than the average kinetic energy. Temperature of an object is the average kinetic energy of its particles. The skin surface is left at a lower temperature. 

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