Because it doesn't
They go to the warmer water.
The water over the ocean is humid, which heats england
to keep the answer simple, the outer layer acts as a window to keep the cold air out and the warmer air in, as do all windows. the second layer does the same, and keeps that warmer air out and even warmer air in
Since the salt makes water boil, get colder, and melt faster, salt water would be warmer in the summer and colder in the winter, but the salt would help, but not 100%, keep the water from freezing.
polar bears fur is water proof because it helps keep them warmer in the water
the foam containers help and they also help keep coffee warm.
nothin to do with the colour ; it depends on the weather and also the chemicals mixed with it
All alcohol spirits will have a warming affect on a person to help keep them warm in a cold environment.
put it in a freezer
Yes, thicker curtains will keep out cold air and drafts.
Thick walls help keep the house cooler in summer and warmer in winter.