Across
- 4. some tree roots grow in this layer of soil
- 7. one of four materials that make soil
- 9. layer of soil with the most humus
- 10. layer beneath soil
Down
- 1. soil property caused by grain size
- 2. decayed matter in soil
- 3. type of soil with a soft, velvety texture
- 5. type of soil with the largest grains
- 6. soil property caused by minerals
- 8. one of four materials that make soil