Across
- 2. rich soil on top of sediment
- 3. creating steep hills into small flat fields
- 6. made of air, water, mineral, and organic matter
- 7. layer of rock beneath soil
- 8. top layer above all rocks
Down
- 1. making a design
- 4. planting different crops
- 5. let the old stocks of plants fall and the new ones grow
- 6. layer of rock beneath soil
- 9. decay of dead animals all living things need it