Rhinoceros. No questions asked. The polar bear just has claws and temperature control, the rhino is huge, has rough skin, and a horn.
This is the stupidest question I have ever seen. How old are you? 5? If you must know just in case you should be waiting there with bated breath for the last year or so since you've asked this question, I shall answer it, too.
I agree with my compatriot above: a rhinoceros would win because he is bigger and has horns. In fact, a polar bear would never attack one not only because of the rhinoceros' girth, but because a polar bear lives in a polar region whereas a rhinoceros lives in the savannahs of Africa if my memory be correct; ergo they will never meet to fight!
polar bear
Polar bear.
The polar bear would because as the polar bear is the biggest land predator on earth
Polar bear, they are known as the most carnivorous bear.
The bull would win, unless the polar bear bites its face or claws the bull down.
The polar bear. It would bite the large ox's face.
polar bears because they are the biggest and strongest bear and carnivore
The elephant would win. It has much larger muscles and thick skin to protect itself from the polar bear's claws and teeth. It also has a huge, powerful trunk that it can knock the polar bear out with or slam the polar bear to death.
The Polar bear. It is larger, much more carnivorous, more beastly, and stronger than a grizzly bear or a kodiak bear.
Pikachu
The polar bear would win because its paw swipes could kill three tigers at a time.
Firstly, do you mean a polar bear? Secondly, it depends on what you mean by "beat". If you mean a human then a shotgun can shoot and kill a polar very effectively. Tourists heading for the north polar have a guide with them who carries a firearm in case of polar bear attack.