amiyah

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Across
  1. 3. molten rock that issues from a volcano or form a fissure
  2. 5. the sudden release of stain energy in the Earth's crust
  3. 7. the liquid layer of the Earth's core
  4. 8. Andreas fault an active strike
  5. 9. a fault that does not cause an error
  6. 11. Wegener a German meteoroligst
  7. 12. molten rock in the earth
  8. 15. ancient continental mass in the Northern Hemisphere
  9. 19. a fast moving currents of hot gas
  10. 20. large mass of land
  11. 21. the movement of continents resulting the motion of tectonic plates
  12. 22. the wearing away of rocks and other deposits
  13. 23. the inner most layer of the earth
Down
  1. 1. openings or vents where lava small rocks and steam erupt onto the Earths surface
  2. 2. a supercontinent that incorporated almost all the landmass on earth
  3. 4. the hardend exterior of surface part
  4. 6. a large area of land that existed long ago
  5. 10. the breaking down of rocks and minerals on the surface
  6. 13. a scientific theory that explains how major landforms are created
  7. 14. features of the earth
  8. 16. a plate boundary is a three dimensional surface or zone
  9. 17. a crack on the ocean floor
  10. 18. a mantel peice or shelf
  11. 21. currents a current in a fluid that results from convection