Here are the sentences with the correct vocabulary words inserted:

1. **Untreated** or wastewater should be treated before it is discharged into the river or ocean.
2. More and more waste and **pollutants** are poured into the water, the soil and the air.
3. The material is stored in a special **radioactive** 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 **contaminated** water.
7. The health **effects** of air pollution include heart disease, lung cancer, and asthma.
8. Carbon dioxide is a dangerous air **pollutant**.
9. Over 150,000 tonnes of waste are **dumped** annually along the coastline.