Volcanoes

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Across
  1. 5. when pressure is released, solid rock melts to form magma
  2. 6. determines a rocks melting temperature
  3. 7. depends on heat, pressure, and water content
  4. 8. boundaries that divide; where greatest amount of volcanic rock is produced
  5. 10. boundaries that move together-Ring of Fire
Down
  1. 1. ring of volcanoes around the Pacific Ocean
  2. 2. earth's natural temperature increases with depth
  3. 3. provides mechanism for volcanic activity
  4. 4. contains melted mineral crystals, dissolved gases, & water
  5. 9. occurs in subduction zones