40

123456789101112131415161718192021222324252627282930
Across
  1. 2. Low-level expansive areas
  2. 8. Tops of ridges and hills
  3. 10. Areas near the equator
  4. 12. Edges of rocky terrains
  5. 16. Points where land meets water
  6. 18. Large ocean expanses
  7. 20. Arid barren areas
  8. 23. Land edges by seas
  9. 24. Areas shaped by glacial drift
  10. 26. Broad open terrain
  11. 28. Boundaries of arid zones
  12. 29. Mountain areas covered in snow
  13. 30. Expanses of wooded areas
Down
  1. 1. Natural snow-covered crossings
  2. 3. Areas marking ice extent
  3. 4. Expanses of coral reefs
  4. 5. Regions with volcanic activity
  5. 6. Open areas of grassy ecosystems
  6. 7. Naturally heated water sources
  7. 9. Thick permanent ice layers
  8. 11. Margins of tectonic plates
  9. 13. Margins of natural landforms
  10. 14. Trails along mountain ridges
  11. 15. Extremely dry regions
  12. 17. Areas near the poles
  13. 19. Edges of land meeting water
  14. 21. Areas with deposited sediments
  15. 22. Sloping coastal edges
  16. 25. Coastal areas affected by tides
  17. 27. Regions of heavy moisture