Across
- 4. Transports materials from one place to another
- 7. layers or zones inside of soil
- 8. Vertical sequence of soil layers
- 9. changes the chemical composition of material
Down
- 1. A substance on earth that plants and wild life depend on
- 2. dropping material in a certain location
- 3. A mix of sand silt and clay, is the best soil for organisms
- 5. A soil type with the highest permiability
- 6. When rocks break down into smaller pieces without changing their composition
- 7. the smallest and very rich soil