for about 3 hrs
Yes, this is what swimmers use when they enter a long distance swim like the English Channel or any other large body of water.
To keep the swimmers warm. The large pool is cold
they keep warm by sleeping in long grass.
To warm up
a long time
Do exercises that will get your heart rate up.
To keep their Yak body warm.
No, a galss cup does not keep any drink warm long.
To get to enough food to keep warm. After the continents spreaded the distance slowly got larger.
it depends how long it is if its short and ur bald it keeps your head warm and if u have a long hat and hair it keeps your ears warm it depends on the hat
whales keep warm by their blubber! good question