Layers of soil

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Across
  1. 1. the topmost layer that contains quite a bit of living material
  2. 6. the amount of water that can be held by a type of soil
  3. 7. the name for things that are living or were once alive
Down
  1. 2. made of sand, silt, and clay
  2. 3. made of weathered rock
  3. 4. the bottom layer of solid rock
  4. 5. made mostly of minerals and decaying material