00:00Have you ever asked yourself?
00:01Why doesn't the entire sea turn into a block of ice in winter?
00:06The answer is stranger than you expect.
00:09The reason is salt.
00:12The presence of salt between water molecules
00:15This makes it require a much lower temperature to freeze.
00:20Fresh water freezes at 0 degrees Celsius
00:25Seawater only begins to freeze at around minus 1.8 degrees Celsius.
00:33Therefore, most of the sea remains liquid even in extremely cold weather.
00:39Now tell me, did you know this fact before?
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