The earth

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Across
  1. 6. tectonic plates move causing an ___________
  2. 7. the part of the earth made up of rock
  3. 10. the best soil for growing plants
  4. 11. soil lies on top of this rock
  5. 13. Dead and decayed remains of plants and animals
  6. 14. moving sediments to another location
  7. 17. rocks formed due to heat and pressure
  8. 18. fragments of weathered rock
  9. 19. The smallest particles of the soil
Down
  1. 1. The process in which the rock breaks up
  2. 2. movement of the earth's core causes a __________ field
  3. 3. rocks formed from cooling and drying lava
  4. 4. water seeping down through the soil
  5. 5. acid rain is a form of ________ weathering
  6. 8. radioactive material in the earth's core
  7. 9. when rock fragments scrape against and break rocks
  8. 12. dropping broken rocks in low lying areas
  9. 15. the texture of silt
  10. 16. the soil type with the most airspaces
  11. 17. the mantle is made of this