Across
- 3. Dropping of sediments
- 4. Flat grassland region
- 5. Sudden ground shaking
- 8. Region good for farming
- 10. Thick heavy oil in sands
- 11. Greenhouse gas release
- 15. Ground frozen year-round
- 17. Rapid snow slide
- 18. Mountains in western Canada
- 19. Rounded ancient mountains
- 21. Big wave from quake
- 22. Long period without rain
Down
- 1. Power from moving water
- 2. When water overflows
- 6. Resource used faster than replaced
- 7. Powerful rotating storm
- 9. Resource replaced naturally
- 12. Slow-moving ice mass
- 13. Elevated flat land
- 14. Cold treeless region
- 16. Wearing down of land
- 20. Oldest rock region