Asked by bob

why do we put salt on sidewalks when it snows?
Answered by Marwas
The biggest reason for pouring salt on icy roads is that salt lowers the freezing point of water. Water normally freezes at 32 degrees Fahrenheit, but when you add salt, that threshold drops to 20 degrees (or even 2 degrees) Fahrenheit
Answered by bob
thx
also if your still here could you help the guy under me with his question about math?
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