Across
- 2. farming practices adopted in hilly areas to stop erosion
- 5. The breakdown of rocks
- 7. the cutting down of trees
- 9. the removal of soil by water and wind
Down
- 1. mixture of dead plants and animals
- 3. planting more and more tree
- 4. other name for bedrock
- 6. mixture of sandy soil and clay soil
- 8. the most fertile layer of soil