Across
- 2. the area of the Great Plains that soil was lost in in the 1930's
- 5. the planting do different crops and plants
- 8. Decoposion with dead and decaying animals and plants
- 10. A loose layer that's dirty and messey
- 11. The grinding away of rocks carried along by ice wind and water
- 12. that process that erodes objects with acid rain
- 15. a topo map shows the area of a map
- 17. anything that humans use in the environment
- 18. The principle that's in the same process that's operated in the past to change earths purpose
- 19. a measure of how well soil absorbs water and other materirial
- 20. On a Topomap A Longer Line That Rounds Units
- 22. When Wind Ice Water and gravity Move earths Broken Down Particles
- 23. The Chemical And Physicall Process That Breaks Down Earths Surface
- 24. the management to prevent from environmental destruction
- 25. a thick root of grass and soil
Down
- 1. the layer of soil that's different in color and texture
- 3. A type of weathering that makes broken particles even tinyer
- 4. mixture of humis soil clay and other minerals
- 6. Dark colored material in soil
- 7. the solid layer of rock below earth
- 9. Fertile and rich soil that makes up part of silt and clay
- 13. When Ice brakes and erodes objects
- 14. Connects elevation on a map
- 16. The difference Between Elevation From One line to the next
- 21. organism in soil that breaks down remains then degiest them
