Soil Crossword Puzzle

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Across
  1. 3. time,climate,organisms, topography
  2. 5. the uncontrolled expansion of urban areas.
  3. 6. connectivity of interstitial spaces
  4. 7. 3/4s of the world is covered in this
  5. 9. plant requirements,CHOPKINS,CaFe,Mg
Down
  1. 1. land needed to grow food
  2. 2. erosion,desertification
  3. 4. The occupation of extremely small spaces
  4. 6. volume of interstitial spaces
  5. 8. beyond the elevation that consumable plants live in
  6. 9. nitrogen, phosphorous, and potassium
  7. 10. Weathered rock with decomposing organic matter and living organisms