Across
- 4. loose soil
- 5. weather conditions
- 6. underground part of a plant
- 8. lay off the land
- 10. hors and minutes
- 11. fine grained earth
- 12. upper layer of earth
Down
- 1. not spontaniously
- 2. prepared artificially
- 3. wearing by long exposure
- 7. small forms of life
- 9. original rocks and matter for soil