Eli5: how does frost/ice on the ground not melt, even after the temperature isn’t in the minus numbers
In: 3
The ground below it may remain at freezing. The air can become warmer but ice has a much higher heat capacity than air so it takes a while for the ice to heat up enough to melt. Frost often melts when sun shines directly on it rather than by heating from the air. You will notice the frost remains in shaded areas for much longer.
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