2 Complete the text with the words in the box. on habitat live swim climate extinct pollution hunt Polar bears are becoming! Why? Human is changing the Polar bears the ice in the Arctic. But the ice is melting and their s__ is getting smaller. Every year it gets more difficult for the bears to 6 seals. Polar bears can'_but they can't live in the sea!
Polar bears are becoming extinct. Why? Human
pollution is changing the climate. Polar bears live on
the ice in the Arctic. But the ice is melting and
their habitat is getting smaller. Every year it gets
more difficult for the bears to hunt seals. Polar
bears can' swim but they can't live in the sea!
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