ct
An air mass originating over north central Canada would most likely be cold and dry.
Cold and dry
Several species of bear can be found in both Canada and Alaska. In north Alaska and round the Arctic Circle, the bear is likely to be a polar bear.
Reptile
Most likely in the polar circle in Russia and present day Canada and Alaska
cold and dry
While it is not known for certain, the Vikings were likely looking for resources and trade when they discovered Canada. There is evidence that they actually traveled down the Mississippi River as far as present day Memphis, TN.
The further north you are, the more likely you are to see them. I've seen them in upper New York State, but places such as Canada and Alaska are better.
somewhere where it gets really cold (maybe even snows) in the winter like Canada, Alaska, Greenland, or Antarctica
You can most likely find them in Alaska, in places such as the 48,000 acre Alaska Chilkat Eagle Preserve.
Alaska is on the edge of a crustal plate
no it is not