Why Does Salt Melt Ice?

BY Cydney Grannan Cydney Grannan / britannica.com © nd700/Fotolia More than 20 million tons of salt are used every year to melt snow and ice in cold northern regions. But how does salt do it? First, it’s important to understand a bit about H2O in the winter. Thirty-two degrees Fahrenheit (0 degrees Celsius) is its […]

Why Does Salt Melt Ice?

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