Across
- 2. uppermost layer of branches
- 4. huge swampland
- 6. largest desert
- 7. underground water
- 8. unpopulated region
- 10. water comes to surface
- 11. tropical grassland covers most of continent
Down
- 1. cold, dry wind from the north
- 3. permanently frozen ground
- 5. located in northern china
- 6. hot, steady south wind
- 9. is a tropical storm