A cold glass of milk placed outside on a hot day may \"sweat\" and become coated

Question

A cold glass of milk placed outside on a hot day may "sweat" and become coated with drops of water. net result of a glass of milk "sweating" Is to warm cool the milk because as water from the air condenses on the glass, it absorbs heat from the glass. water tends to be warmer than air. as water from the air condenses on the glass, it transfers heat to the glass. water tends to be cooler than air. When a human sits outside on a hot day, he may sweat, and become covered with drops of water. The net result of a human sweating is to warm cool the human, because water tends to be cooler than air. as the water on his skin evaporates, it absorbs heat from his body. as the water on his skin evaporates, it transfers heat to his body. water tends to be warmer than air.

Explanation / Answer

a)

the net result of a glass of milk sweating is to "warm" the milk,

because,

as water from the air condenses on the glass, it transfers heat to the glass

b)

the net result of a human sweating is to cool the human,

because,

as the water on his skin evaporates, it absorbs heat from the his body

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