To keep warm and dry at the appropriate times, and to let the smoke from their fire leave. Tipis are also very portable, which was good, as most American aboriginals periodically moved to where the food was.
Nothing aside from attempt to protect their bit of turf on it , Aboriginals never saw them selves as being the owners of Australia in the first place.
whales keep warm by their blubber! good question
The fur on their bodies keep them warm.
They don't need to keep warm, they have a double coat so they stay warm.
They urinate on their feet to keep warm.
The materials keep you warm by the fabric they are made out of!
heat keep us warm :)
they keep warm by sleeping in long grass.
what keep you warm in alska
It's kind of like the Egyptians drew their pictures on the walls because they wanted to keep record of all the happenings and going ons. Aboriginals probably did the same.
Cats have fur to keep them warm when they are cold.