Apes Soil conservation- Lukas K.

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