Across
- 1. a solid organic substance of natural occurrence
- 3. Most productive soil
- 5. developed from volcanic ash
- 6. several coatings of thick material
- 8. sandy color, lacks organic matter
- 9. common in tundras and floodplains
- 12. usually black, acidic, and fertile
- 13. Soil typically clay dominated
- 15. common in Artic and subartic areas
Down
- 2. infertile and acidic
- 4. Reddish color from mineral alteration
- 7. occurs in low and middle latitudes
- 10. least developed soil
- 11. Product of lateralization, deep soils but not fertile
- 14. upper layer of earth, black or dark brown
