Plant Agriculture

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Across
  1. 4. Has the largest particle size of soil
  2. 7. This event happened due to stock markets crashed
  3. 10. An ecosystem covered with big bluestem, switchgrass, and Indian grass, which could grow up to eight feet tall.
  4. 13. Plants gather energy through this
  5. 15. Humus layer with non decomposed plant matter
  6. 16. profile Shows layers of soil
  7. 18. Physical breakdown of rock by wind
Down
  1. 1. Parent material with rock that undergoes little weathering
  2. 2. Molecular nature of rock changing due to reactions with water and oxygen
  3. 3. Bedrock layer
  4. 5. Topsoil with organic matter mixed with rock
  5. 6. Has the smallest particle size of soil
  6. 8. This event was caused by a drought
  7. 9. medium size particles
  8. 11. How water moves through the soil
  9. 12. Subsoil with tiny rock
  10. 13. triangle This classifies soil based on relative amounts of each particle
  11. 14. Loosens and mixes soil when then increases water percolation
  12. 17. A mixture of Humas,rock particles,minerals,water,and air
  13. 19. How carbon dioxide is obtained for matter