Across
- 2. rich soil
- 5. material soil forms
- 7. layers of soil
- 10. dead plant material
- 12. fine rock
- 14. improves health & structure
- 15. empty void between soil particles
- 16. topsoil
- 17. pine needles falling on the ground
- 19. provide energy
- 21. organism that breaks things down
- 22. destroys
Down
- 1. Arrangement of physical features
- 3. from a living organism
- 4. small granules of rock
- 6. moldable, earthy material
- 7. measure of empty space
- 8. top-most layer of soil
- 9. below topsoil
- 10. extracting saluables
- 11. how soil is formed
- 13. below bedrock
- 18. loose rocks
- 20. supplies nutrients artificially