To avoid HYPOTHERMIA, always wear a warm hat, as you lose more heat through your head than any other part of your body.
To avoid DEHYDRATION, prepare water from snow/ice (incase stuck up in Icy mountain) when you can't find water.
Oxygen levels are extremely low when you get to higher heights, so try to get down quicker and safer.
Make sure that you have enough food to last you the whole of your journey.
They won't. They need to live and survive in the Arctic, not the mountains. Polar bears don't live in the mountains anyway.
Because there in a lower part of a mountains.
hibernation
adaptation is the only answer.......
because they were great architectures
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They have long thick fur
go find it yourself
Few plants (and animals) survive in the Atacama Desert, including the mountains.
their needs are met in that enviroment
red pandas are forced to live on remote mountains.
Time.Time.