Across
- 3. Can be used repeatedly
- 4. an area where pore spaces are filled with water
- 6. Water found underground
- 9. Water found underground
- 11. basin like land formation defined by high points
- 12. upper surface of the zone of saturation
- 13. Water that flows over the surface
- 15. The gradual sinking in of land
Down
- 1. transmits groundwater freely
- 2. few our no connected pores
- 5. Natural occurring substances
- 7. water on the surface of the planet
- 8. Things in land or water that can harm the land or health
- 10. Also called hydrolic cycle
- 14. structure created in the ground by digging