Across
- 2. feels rough and gritty
- 5. what a plant needs to grow
- 6. when wet this feels smooth and sticky
- 8. this includes rock particles mixed with the dark products of decay
- 9. contains humus
Down
- 1. this provides raw material for making new soil
- 2. particles are more closely packed together in this soil
- 3. water from precipitation may be in this layer
- 4. to breakdown or rot
- 7. what plants grow in