voabulary Ch. 13 L.4

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Across
  1. 2. rock that makes up the earth crust
  2. 3. a substance that provides nutrients so crops grow better
  3. 4. a long period of no precipitation
  4. 6. the process of restoring land to a more natural form
  5. 8. the advanced desert-like conditions into areas that were once fertile
  6. 10. the layer of soil below topsoil made of mostly clay and other materials
Down
  1. 1. a situation when more soil nutrient are used than produced
  2. 5. the very top layer of soil made for dead leaves and grass
  3. 7. the crumbly top layer of soil
  4. 9. the process of weathering away rock