Soil

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Across
  1. 2. made up of rocks, minerals, and humus
  2. 5. help plants grow
  3. 8. the middle soil layer with less water and air
  4. 9. turn dead plants and animals into humus
Down
  1. 1. non-living, make up the solid part of soil
  2. 3. natural non-living things that make up rocks
  3. 4. the bottom layer of soil
  4. 6. the soft, top-most layer of soil
  5. 7. dead plants and animals in the topsoil