The environment

3. when land is underwater as a result of lots of rain or rising water levels
7. something that is _______________ works well and uses the power supply (electricity, gas, oil, etc.) in
9. causing a lot of damage or harm
10. to make air, water or land too dirty and dangerous for people to use in a safe way
11. places where large amounts of rubbish are taken, usually outside a town
14. the fact of a country or city, etc. having too many people for the amount of food, materials, and space available there
16. places that particular animals usually live in or particular plants usually grow in, for example a desert,

1. to take in a gas, liquid or other substance
2. do something to help make something else happen, even if you don’t want to
4. a type of animal or plant that might stop existing because there are only a few of that type alive
5. or lake
6. a long period of time when there is little or no rain and crops die
8. to use more of something than you need
12. malaria is a serious illness caused by being _____________ by a mosquito, usually in a hot country
13. substances, especially gases, that go into the air
15. rain that contains large amounts of harmful chemicals as a result of burning substances such as coal and oil
17. the air round the Earth or round another planet