Across
- 2. Exposed rock layers
- 4. Water-saturated areas
- 9. High rock points
- 12. Elevated flat terrain
- 13. Peaks with snow cover
- 16. Dense tropical forests
- 17. Impact depressions
- 19. Powerful fast waterfalls
- 20. Elevated long crests
- 23. Natural Earth features
- 24. Steep rocky faces
- 29. Elevated flat regions
- 30. Edges of water bodies
Down
- 1. Terrain by mountains
- 3. Ecosystem of grasses
- 5. Tidal mouths of rivers
- 6. Raised underwater ridges
- 7. Flat area near rivers
- 8. Arctic treeless plains
- 10. Rock piles for landmarks
- 11. Study of Earth’s structure
- 14. Dry stream beds
- 15. Steep slope or cliff
- 18. Freshwater natural sources
- 21. Small natural hill
- 22. Solid natural substances
- 25. Crustal fractures
- 26. Valley formed by tectonics
- 27. Wetland with peat soils
- 28. Land between hills