WasteWater Story

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

1. Cleaning of water is a process of removing .

2. Waste water released by houses is called .

3. Dried is used as manure.

4. Drains get blocked by and fats.

5. Waste water is generated in home, industries, agricultural field and in other human activities. This is called .

6. Sewage is a liquid waste which causes water and pollution.

7. Waste water is treated in .

8. By products of waste water treatment are and biogas.

9. Open drain system is a breeding place for flies, mosquitoes and organisms which causes .