8. ___________ of clean water creates difficulties for the production of food, chemistry and pharmacy
Shortage
9. Wastewater should be __________ before being released into the rivers.
treated
4. Lists four main causes of water pollution.
Littering, Oil spill, Untreated domestic water and waste water from factories
10. The _____________ is used for treating the sewage.
Treatment plant
7. Sewage water is the water that is used for farming. True or False?
False
3. We should use ___________ products to limit the effects of household cleaners on water.
eco-friendly
5. Which is NOT included in the effects of water pollution on the eco-system? (Food chain, Animals extinction, and Human health)
Human health
1. How many causes of water pollution in this presentation?
4
2. Of all three solutions to deal with littering (Education, available dustbins, and punishment), which one is the most important?
Education
6. Water pollution only affects human? True or False?
False