science

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Across
  1. 1. soil that settles on the bottom of liquid
  2. 3. ditch formed where soil is washed away
  3. 5. soil that things grow well in
  4. 7. the top layer of the earth's crust
  5. 10. substance that has never been alive
  6. 11. decayed material in the soil
  7. 12. soil deposited at the end of a river
  8. 13. the loss of topsoil by water and wind
Down
  1. 2. imaginary line around the middle of the earth
  2. 4. the center of the earth
  3. 6. large mass of moving rock or soil from a mountain
  4. 8. outer layer of the earth
  5. 9. good air, soil and water