Across
- 1. continuous movement of air or water
- 7. made practical use of
- 9. growing enough for only yourself and your family
- 11. plans and tress release water vapor into the air
- 12. people who move place to place
- 13. hunter-gatherers who live in the Amazon River Basin
- 15. people who hunt animals and gather plants and fruit
- 16. lived in the eastern and central lowlands on the Paraguay and Parana Rivers
- 17. flat field cut into slopes or mountainsides
- 19. soak
- 20. a variety of species in an ecosystem
- 21. plant life
- 22. wide open areas used for grazing and crops
Down
- 2. a dry region on one side of a mountain range
- 3. bridge used to cross canyons or water
- 4. clearing trees and burning the land
- 5. a relative
- 6. modify
- 8. blood relationship
- 10. gas that traps heat energy
- 14. small rivers that drain into larger rivers
- 18. located in Venezuela