Across
- 4. line of lowest elevation within a valley
- 5. basin excavated at the foot of a waterfall
- 6. disappearing soil by glacier, water and snow
- 8. a natural or artificial wall that blocks water
- 9. energy objects have when in motion
- 11. being eroded by wind, water, or other natural
- 14. water that falls down a cliff
- 15. breaking down or dissolving of rocks
Down
- 1. the rate of ascent or descent,
- 2. hole in the road
- 3. action of transporting someone,something
- 7. channel which water flows in
- 10. a sudden flood in a river.
- 12. granular material of a size between sand and clay
- 13. fast-moving water