Across
- 3. a cowboy who herded cattle in the pampas of Argentina and Uruguay
- 5. the process of stripping the land of its trees
- 7. tourism that encourages environmental awareness and has little effect on the ecosystem
- 8. a related set of separate mountain ranges
- 10. a grassland region in Argentina and Uruguay
- 11. the wide mouth of a river, where freshwater meets salt water
- 12. a plateau in the Andes of Ecuador
- 13. a region of rolling foothills
- 14. a mineral used in making aluminum
- 15. a slum community in a Brazilian city
- 16. an interior plateau in Brazil with poor soil and uncertain rain
Down
- 1. a plateau region located in the Andes of Bolivia and Peru
- 2. a person of mixed African and European ancestory
- 3. a fuel mixture of gasoline and ethanol
- 4. a forested region in Ecuador, Peru, and Bolivia
- 6. the boundary in high elevations above which continuous forest vegetation cannot grow
- 7. a steep cliff that separates two level areas of differing elevations
- 8. a tenant farmer or farm worker
- 9. a grassy plain