Across
- 3. water above ground
- 5. water under earths surface
- 6. when waste causes water to be harmful
- 7. many small sources of pollution
- 13. growth of towns due to people moving to urban
- 15. harmful chemicals are added to water
- 16. rock or sediment that can store water
Down
- 1. one specific site of pollution
- 2. dead or live animal are in the water
- 4. removing harmful bacteria & micros in water
- 8. seawaters that seep into aquifers
- 9. a body of water [behind a dam]
- 10. more nutrients in the water
- 11. water that is okay to drink
- 12. frozen layer of soil
- 14. heating of natural water from humans