March 04, 2025
The Don Juan Pond in Antarctica is the saltiest body of water on Earth. Its waters remain fluid even when its temperatures drop to -58 °F, and it almost never freezes.
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BRITANNICA.COM
Why Does Salt Melt Ice?
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 freezing point—that is, when water reaches 32 °F,
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