1. ____ or wastewater should be treated before it is discharged into the river or ocean.

2. More and more waste and ____ are poured into the water, the soil and the air.

3. The ____ material is stored in a special radiation-proof Container.

4. Oil spills can cause the death of ____ animals such as fish.

5. ____ sewage can spread disease and contaminate drinking water sources.

6. Cholera is transmitted through ____ water.

7. The health ____ of air pollution include heart disease, lung cancer, and asthma.

8. Carbon dioxide is a dangerous air ____.

9. Over 150,000 tonnes of waste are ____ annually along the coastline.

10. Up to 100.000 fish were found ____ along the river last week.