1. What problems do we face in our life ?

2. What is the meaning of pollution ? It means change in environment resources and this change causes birds, animals and human diseases.

4. What causes air pollution? Factories chimneys

5. What causes water pollution? rubbish which sometimes comes out from some ships.

6. What causes sound pollution? Loud voice.

7. How can we keep our environment clean and healthy ?

8. We should be careful about personal and general cleanliness. Wash face and hands. Wash food. Cover food from flies. Build factories away from houses. Put litter in bins. Don’t use a lot of water.

9. Write 3 sentences on :”a clean place to live.”