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