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Across
  1. 1. underground lava
  2. 5. East Africa has one
  3. 6. comes from the Latin word "dividere"
  4. 7. forms in a subduction zone
  5. 10. boundary when two plates slide
Down
  1. 2. mountains under the ocean
  2. 3. When one plate slides under another
  3. 4. ____Currets
  4. 8. founded the theory of seafloor spreading
  5. 9. forms mountains