Soil & Earth's Crust

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Across
  1. 6. a practice to help prevent soil from becoming depleted
  2. 7. the healiest type of soil
  3. 8. type of soil wsith some of the largest particles
  4. 9. a factor in healthy soil made from rich organic matter
  5. 10. the supercontinent the world used to be united in
Down
  1. 1. the term for the study of soil
  2. 2. a section of earths crust that can shift creating changes in land formation
  3. 3. the type of the earths lithospheric crust that is made up of the countries of the world and also their bigger land formations
  4. 4. name for different layers of soil such as topsoil being A
  5. 5. term for the top lyer of earths crust
  6. 6. any soil that is more than 60 percent clay