intro to soil vocab

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Across
  1. 6. opposite of oxygen
  2. 8. materials rock materials that have undergone weathering
  3. 10. plants need it
  4. 11. water movement downward
  5. 13. cropland, grazing land, forest
  6. 14. parent materials, climate, variation in an earth surface, time
Down
  1. 1. water soaking into the soil
  2. 2. allows both infiltration and percolation
  3. 3. waste disposal building materials
  4. 4. hot and cold
  5. 5. Earthworms, insects, bacteria, fungi, other organisms
  6. 7. what you breath
  7. 9. breaking down rocks
  8. 12. drink
  9. 13. what you plant with