1
Fill in the words from the box.
pollute, polluted, polluted, pollution, polluting
1. No species of fish can live in water polluted with oil.
2. People started
the world around them when the
first made fire.
3. Factories and cars
the air in our towns and
cities.
4.The problem of air Is a serious one.
5. The water in many lakes and rivers in Sweden is by acid rain
