soil
Across
- 3. mixture of rock particles and humus
- 5. A horizon
- 6. B horizon
- 9. cutting down of trees
- 10. downward movement of water through soil
Down
- 1. rotting dead matter
- 2. removal of land by water, wind
- 4. vertical section of soil
- 7. last layer of soil profile
- 8. breaking down of rocks