Across
- 6. cool climate, some rainfall
- 7. plants grown in a region
- 9. plants release water vapor
- 11. farming to grow enough food for families to eat
Down
- 1. largest vegetation zone in South America
- 2. variety of species in an ecosystem
- 3. physical feature that runs through 7 countries
- 4. grasslands found in Argentina
- 5. gas that traps heat energy
- 8. small rivers that drain into a larger river
- 10. to adjust or modify
