Oakleigh Osborne the land

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Across
  1. 4. volcanos that have not erupted in a long time but will erupt again
  2. 5. mostly solid bulk of earths interior
  3. 9. a hypothetical landmass in the northern hemisphere in the end of the paleozoic era
  4. 11. a mixture of molten and semi-molten rock
  5. 12. a seafloor mountain system formed by plate tectonics
  6. 14. the water of a lake or stream wearing away rocks
  7. 15. continental land mass drifting apart
  8. 16. where 2 plates meet
  9. 17. features on the earth's surface that makes up the terrain
  10. 18. when two blocks suddenly slip past one another
Down
  1. 1. outermost layer of the earth
  2. 2. a large mass of continuous land
  3. 3. a super continent that had almost all of the landmasses on earth
  4. 6. opening where lava erupts onto the surface of the Earth
  5. 7. breaking down or dissolving rocks
  6. 8. liquid layer outside of the Earths core
  7. 9. hot molded rock from a volcanic
  8. 10. heat driven cycles
  9. 13. innermost layer of the earth