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Mystery #1Tier 2water / states

Why do puddles dry up, even on a cold day?

A rain puddle sits there after the rain stops, then slowly shrinks and vanishes, even on a chilly day, nowhere near hot enough to boil. Where does all that water go?

A rain puddle reflecting the sky, slowly evaporating
Photo: Jules Verne Times Two · CC BY-SA 4.0 · via Wikimedia Commons

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