Across
- 4. increase nutrients to water
- 9. seawater seeps in to aquifer
- 10. frozen water in polar region
- 11. harmful chemicals added to water
- 12. one site pollution
- 14. waste that cause harmful orgins
Down
- 1. moving from ruralto urban areas
- 2. heating natural water
- 3. live or dead organs add to water
- 5. body of water above ground
- 6. many source pollution
- 7. water under earth bettween soil or rock
- 8. removing harmful bacteria from water
- 10. water suitble to drink
- 13. rock that holds a body of water
- 15. water forms behind a dam
