All About Polar Bears:Adaptations Polar bears have adapted to their cold Arctic environment. Their fur has hollow hairs filled with air, which provides insulation so that they can live on the ice and swim in frigid water. Since polar bears spend more time in the sea than on land, they have webbed front paws to help them swim.

Q-What is the main idea of this passage?

a
Polar bears have webbed front paws.
b
Polar bears have adapted to their environment.
c
Polar bears live in the Arctic.
d
Polar bear fur is made up of hollow hairs.