Volcanoes

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Across
  1. 7. fast-moving mudflow
  2. 8. formed where two oceanic plates diverge
  3. 9. collapsed volcanic chamber
  4. 14. liquid's resistance to flow
  5. 15. belt of volcanoes along edge of Pacific Plate
Down
  1. 1. magma that flow onto Earth's surface
  2. 2. wide, flat volcanoes
  3. 3. zone where oceanic plate is forced below continental plate
  4. 4. a mix of liquid rock, gas , and water formed in mantle
  5. 5. boundary where plates move apart
  6. 6. boundary where plates slide past one another
  7. 10. boundary where plates collide
  8. 11. valley form where two continental plate diverge
  9. 12. small cone-shaped volcano made of ash and debris
  10. 13. most common type of volcano