plate tectonics

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Across
  1. 5. Asia and Europe combined
  2. 7. the crust and the top of the mantle combined
  3. 10. a thing used to find how high the rocks are in the ocean
  4. 11. the planet we live on
Down
  1. 1. the middle of earth
  2. 2. the top layer of earth
  3. 3. the study of rocks
  4. 4. all of the continents combined
  5. 6. a mountain with lava in it
  6. 8. there are 7 major ______.
  7. 9. the layer on top of the outer core
  8. 10. how we see light, and how we feel heat