Why might polar bears might become extinct a. they may drown when the glaciers melt b. too many people hunt them c. they do not have any predators d. their thick fur is not suited for a warming climate

Answer could not be C. Answers D. Why its D is because they have a thick fur that keeps them warm during the winter. When they migrate to warmer climate they will possibly die from the heat. C is correct in a way because they do not have predators but that's not why they would be going extinct.