Crossword

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Across
  1. 5. The leaves fall off
  2. 8. Soil with the most accumulation of minerals, especially clay
  3. 9. Mostly organic matter, such as decomposing leaves
  4. 10. Bad for farming, waterlogged, water doesn't percolate
  5. 13. Dark, spongy, nutrient-rich soil
  6. 14. The upper layer of soil
  7. 15. Retaining water or something
  8. 16. The nature of the rock is changed due to reactions with water, oxygen, etc.
  9. 19. Best for farming, moderate water percolation
  10. 20. The retention of water, being clogged
Down
  1. 1. Top layer of soil
  2. 2. A sand storm
  3. 3. The downward movement of water through the soil
  4. 4. Needles, Pines, don't shed
  5. 6. Bad for farming, water percolates quickly
  6. 7. Physical breakdown of wind, water, cold and heat
  7. 11. Fertile soil of clay
  8. 12. loosens and mixes soil
  9. 17. The process of eroding due to wind, water,
  10. 18. The ability for liquids or gases to pass through the soil