Landforms

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Across
  1. 1. valleys
  2. 4. solid part
  3. 5. solid layer of
  4. 6. crust
  5. 8. volcanoe
  6. 10. mountain raise
  7. 11. ocean trenches
  8. 12. ridges
Down
  1. 2. deep oceans trenches.
  2. 3. island
  3. 6. volcanoes
  4. 7. plate movement
  5. 9. margins