Задание

Fill in the correct words.

1. There aren't any wild wolves in Britain anymore. They became 250 years ago. 2. When the polar ice caps , the sea level rises. 3. Carbon dioxide is a gas. 4. A lot of animals are losing their natural habitat and dying; the number of animals under is increasing all the time.

5. We should all try to reduce our carbon . 6. Car produce gases that surround the Earth. 7. Changing weather threaten a lot of animals with extinction. 8. Acid rain can even the stone we use for buildings.