Across
- 3. body of water above the ground
- 4. a body of water behind a dam
- 7. growth of towns due to people moving
- 8. a body of rock that stores water
- 9. harmful chemicals added to water
- 11. pollution from not a specific spot
- 15. removing harmful materials from water
- 16. when waste makes water harmful to animals
Down
- 1. water thats underground
- 2. pollution from a specific spot
- 5. heating of natural
- 6. frozen layer of soil
- 10. live or dead animals added to water
- 12. water that is drinkable
- 13. seawater seeping into water supply
- 14. increase of the minerals in water