Across
- 4. A sparsely populated plateau of forest and grasslands
- 7. river of silver, flows into the Atlantic ocean
- 9. a vast area spanning several climate and vegetation zones
- 11. flows about 4,000 miles through the heart of south america
- 12. Mexico's Sierra Madre mountain ranges suround the densely populated
- 14. the central highlands and in south america
- 15. known as Rio bravo Del Norte in Mexico
- 16. highlands that plunge to the Atlantic ocean forming a step slope
Down
- 1. mountain ranges that run parallel to one another
- 2. power electricity generated from the energy of moving water
- 3. south america's inland grassland
- 5. The mighty river caries ten times the water
- 6. mostly all of the lands that you buy
- 8. high plain
- 10. Montana is very
- 13. Argentina and Uruguay provide grazing for cattle