Explanation

32 Fahrenheit is a Freezing point

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At temperatures below 32°F (0°C), liquid water freezes

32°F (0°C) is the freezing point of water.

At temperatures above 32°F (0°C), pure water ice melts and changes state from a solid to a liquid (water)

32°F (0°C) is the melting point.

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ND16-8-2023