Earth crusts crossword science M1

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Across
  1. 3. when the plates move in together.
  2. 7. when all the continents drift away from each other.
  3. 8. the layer we are living on.
  4. 10. a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere
  5. 11. when the plates separates.
Down
  1. 1. the thickest layer of the earth.
  2. 2. when all continents are connected to each other.
  3. 4. a linear zone where the lithosphere is being pulled apart
  4. 5. These are formed through convergent plate boundaries.
  5. 6. type of tectonic plate boundary where plates slide alongside each other
  6. 9. a low-lying area of land that often runs between hills or mountains