It depends on you as an individual. If you feel apprehensive, or have been out of school for a length of time, you can start as a part-time student with one or two courses. There is nothing wrong in...
tundra
There is only one species that hunts polar bears, and that is man.
Polar bears do not live in the desert. They live in the Arctic.
If you're asking how many cubs Polar Bears have, they usually have one or two.