Across
- 2. Solid, unweathered rock that is the lowest layer
- 4. rich in organic matter
- 6. a complex mixture of inorganic and organic matter
- 7. most fertile layer of soil
- 9. largest particles of soil
- 10. A mix of all of the particles in soil
Down
- 1. soil is considered a ______ resource
- 3. Smallest particles of soil
- 5. In between clay and sand
- 8. contains materials that have been leeched from topsoil