Across
- 4. pattern of the combination of precipitation and temperature over time
- 6. volcanic mountains rise on its edges, deep lakes parallel its length
- 9. tropical grassland with scattered trees
- 10. passage where freshwater from a river meets saltwater
Down
- 1. towering waterfall
- 2. arable land becomes desert
- 3. steep, jagged slope or cliff
- 5. section of land formed by sand and silt from a river
- 7. dissolve, carry away
- 8. fracture in the earth's crust