Water Pollution

3. used water from our sinks,showers, and toilets.
7. the biggest consumer of global freshwater resources
8. occurs when harmful substances often chemicals contaminate a stream, lake, river or ocean.
9. the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects
11. major source of water pollution
13. pollution many different sources

1. any pollution that emits radiation
2. the surroundings or conditions in which a person, animal, or plant lives or operates.
4. a compound or substance that has been purified or prepared, especially artificially.
5. source of water pollution
6. water that exists underground in saturated zones beneath the land surface.
10. 1 million tons of oil drip into the marine environment
12. water that collects on the surface of the ground.
14. pollution single source