Across
- 2. transport people and goods to other regions
- 4. dense layer of leaves
- 7. worlds wettest tropical plain
- 11. highlands plunge forming a steep slope
- 13. along the pacific ring of fire
- 14. a chain of volcanic peaks
- 16. south america's inland grasslands
- 20. electricity made from moving water
- 21. typical climate of southweastern mexico
- 22. area spanning several climate and vegetation zones
- 24. flows about 4,000 miles through south america
- 25. it's a coastal desert
Down
- 1. densely populated
- 3. zone permanent of snow and ice
- 5. a significant waterway
- 6. forms part of border between mexico and u.s.
- 8. means high plains
- 9. a cold zone that supports some grasses
- 10. a sparsely populated plateau
- 12. prevails over much of southeastern america
- 14. several ranges that run parallel
- 15. south america's inland grassland of Argentina and Uruguay
- 17. lies at elevations between sea level and 2,500 feet
- 18. lies between 2,500 and 6,000 feet
- 19. flows in the atlantic ocean
- 23. mountains in South America