Across
- 3. How water enters a watershed
- 5. Things that swim in water
- 7. What used to cover Ithaca a long time ago
- 10. Most abundant water on Earth
- 11. Water with low salt concentration
- 12. A man-made body of water used as source of water for a town
Down
- 1. The process of wearing away at rocks by water
- 2. A body of water that flows quickly on the surface
- 4. The amount of water available to us is ____
- 6. The area where all water flows to the same place
- 8. The most essential requirement for life
- 9. Where most freshwater lives