Across
- 3. Bedrock, unweathered
- 5. Parent material has very little weathering
- 7. Subsoil, less organic material more rock particles
- 13. semi-arid grasslands in the rain shadow of rockymountains
- 16. the physical breakdown of rocks
- 18. break down of rocks through chemicals
- 20. smallest particle size and space with most retention
Down
- 1. Humus, non-decomposed organisms
- 2. mixture of Humus, rock particles, potassium, water, air, living organisms
- 4. way to measure the different percents of soil types
- 6. Topsoil, Humus mixed with rocks
- 8. shows the layers of soil beneath the surface
- 9. loosens and mixes the soil
- 10. happens with dry soil and high winds
- 11. the conversion of farm land to desert
- 12. event caused by an extreme amount of drought and high dirt/dust
- 14. intermediate size,space, and retention
- 15. the loss of thin layers of soil as water runs over the surface
- 17. Largest particle size and largest space between
- 19. Partially decomposed plant and animal matter