Задание

Choose the right words to complete the text. There are two words you do not need to use.

Polar Bears

Polar bears are animals we love to see at zoos. They attract humans with their white and black noses. However, we often forget that polar bears are , which mainly get their food by other animals. Sometimes they even attack humans.

Recent show that the aggression polar bears show towards human beings is increasing. One of the reasons may be climate . As it gets warmer in the Arctic regions, polar bears are to move from the coastline inland , where they may more humans. They are starting to spend more time on land than on Arctic sea ice. Another reason may be that people often come too close to the bears, which see them as a dangerous .

Polar bears live all across the Arctic region, in Russia, Scandinavia, Alaska and Canada. But their are falling quickly. Polar bears do most of their hunting on sea ice. As more and more ice is melting, experts fear that fewer polar bears will be able to . They can go on for a longer time without food, but they do get when they cannot find anything to eat.

Another study suggests that polar bears are in danger of becoming because of increasing pollution in the Arctic region. Chemicals and other waste may have an on the body and bones of polar bears.

When polar bears humans, it is mostly because they are very hungry, in need of food. As more and more polar bears and humans are starting to the same living areas, encounters are will probably be more frequent and more people may die from polar bear attacks.