Cooper

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Across
  1. 4. a b c o r
  2. 7. Made of humus
  3. 10. cooled magma inside the surface
  4. 12. move away
  5. 13. how a mineral reflects
  6. 14. Mid Atlantic ridge `
  7. 15. mass divided by volume
Down
  1. 1. sinks under
  2. 2. Ability for air and water pass through
  3. 3. a mixture you can by at store
  4. 5. earths crust and a part of the mantel
  5. 6. Made up of two layers
  6. 8. at the very bottom
  7. 9. center
  8. 11. pieces of rock