Frost is not frozen dew (the way snow is not frozen rain). When water vapour condenses into ic
Frost is not frozen dew (the way snow is not frozen rain). When water vapour condenses into ice, it becomes frost. This happens when the surface the water vapour is deposited on is colder than freezing. If water vapor condenses onto warmer surfaces, it condenses into liquid water, dew. -- source link
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