plate tectonics by bri

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Across
  1. 3. the layer of earth in between the crust and the core
  2. 4. is like the hard shell of the Earth, made up of the crust and upper mantle
  3. 6. the thin and solid outermost layer of earth
  4. 8. the melted part of the mantle
  5. 9. when two plates collide
Down
  1. 1. a supercontinent containing all earths continents
  2. 2. when plates pull apart
  3. 5. when two plates past each other
  4. 6. the central part of earth,made of 2 parts
  5. 7. when a denser plate sinks below a less denser