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Why is warm air used to remove fog in cars?

Updated: 8/21/2019
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7y ago

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"Fog" generally is composed of tiny droplets of water condensed from moist air as it cools. In a car it refers to the water condensed onto the cold windows. Warming the air and glass re-evaporates the water.

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7y ago
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Q: Why is warm air used to remove fog in cars?
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