2 Complete the text with the words in the box.
habitat live swim climate extinct
pollution hunt
Polar bears are becoming __ Why? Human
2 __is changing the__ Polar bears __on
the ice in the Arctic. But the ice is melting and
their__
is getting smaller. Every year it gets
more difficult for the bears to__ seals. Polar
bears can' __ but they can't live in the sea!
не надо перевод! ​