Tectonic Plates

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Across
  1. 2. natural ridgesin the middle of oceans
  2. 3. plates moving away from each other
  3. 4. plates crashing into each other
  4. 7. under the lithosphere
  5. 8. Pieces of land that makes up earth's surface
  6. 9. A supercontinent
  7. 10. the first layer of earth
Down
  1. 1. when a plate goes under another plate and becomes molten rock
  2. 5. the remains of an organism
  3. 6. made up of the mantle and crust of earth