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The Salton Sea
The average ocean or sea has a salinity of about 3.5%. In metric, about 35 grams per liter.
Salt candissolve ice, so the salt in sea water act like a antifreeze. Sea Water would probably start freezing at - 15C
Using natural sea salt is good for human intestines. Table salt that most people have in their house is not natural sea salt and is not healthy when it is not used in moderation. It can cause high blood pressure, hypertension. Yet too little salt can cause low blood pressure.
the good is we get salt from the sea and oil but the bad is it kills animals!