Environmental water
Across
- 5. underground layer storing groundwater
- 6. relating to riverbanks
- 7. safe to drink
- 8. water-saturated ecosystem
- 9. wearing away of soil by water
Down
- 1. measure of dissolved salts in water
- 2. process of removing particles from water
- 3. study of water movement and distribution
- 4. land area draining into a water system
- 6. water flowing over land after rain