It is not the seawater that freezes, but the layer of fresh water above it, which comes from the rivers that flow into the Euxine.
It is also worth asking why fresh water freezes, but seawater does not.
Sea ice is defined here as ice formed by the freezing of seawater and includes both free floating pack ice and the more stable shorefast ice.
It is true that distilled seawater will not be salt, but there are other disagreeable qualities that rise with the water, in distillation; which, indeed, several besides Dr.
The people boil seawater to make salt, and ferment sugar-cane juice to make liquor.
Not like the Spaniards or Portugals, who can easily lose a quarter or more to shark feed through overpacking and giving them seawater to drink.
Then too, there had been a quick splash with seawater on the decks below, followed by swabbing with palm oil, when the Zeelander's maintopman had sighted the low green peaks of Barbados rising out of the sea.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "seawater" in a variety of sentences. We hope that you will now be able to make sentences using this word.