Across
- 1. soil that settles on the bottom of liquid
- 3. ditch formed where soil is washed away
- 5. soil that things grow well in
- 7. the top layer of the earth's crust
- 10. substance that has never been alive
- 11. decayed material in the soil
- 12. soil deposited at the end of a river
- 13. the loss of topsoil by water and wind
Down
- 2. imaginary line around the middle of the earth
- 4. the center of the earth
- 6. large mass of moving rock or soil from a mountain
- 8. outer layer of the earth
- 9. good air, soil and water