lII. Complete each sentence with one of the words or phrases

LII. Complete each sentence with one of the words or phrases below.
(1) environment; (2) cut down; (3) causes; (4) pollution; (5) packaging; (6) environmental;
(7) dangerous; (8) save; (9) protect; (10) litter
1. You shouldn't use your car because it noise and air pollution.
2. This notice can be seen at the zoo or at the circus to people from danger.
3. He wants to become an ecologist himself to research and protect the .
4. Recently, however, our beach has become more polluted with left by tourists and locals.
5. Our forests are disappearing because they are or burnt.
6. Your family can begin trying to the Earth right now.
7. If you go the seaside, you'll see the around you.
8. If people hadn't invented different machines and developed industry, the problems wouldn't have appeared.
9. Why is litter so in the countryside?
10. When you buy packed goods, don't drop the .