Across
- 1. is under top soil.
- 4. is the medium-sized particles in silt are more closely packed together.
- 5. particles are the smallest.
- 6. releases things plants need in order to grow.
- 8. as this rock breaks down,it provides raw material for making new soil.
- 10. is the top layer.
Down
- 2. soil is organized into layers.
- 3. has large spaces in sand allow water to easily pass though.
- 7. is the thin layer of loose material that covers most of Earths land.
- 9. also contains hum as,which has many minerals and other nutrients