Alfred Wegener

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Across
  1. 2. ridge
  2. 4. convection
  3. 5. subduction zone(no space)
  4. 6. plate tectonics(no space)
  5. 8. pangea
  6. 9. convergent boundary(no space)
Down
  1. 1. drift
  2. 3. crust
  3. 4. continental
  4. 7. ocean trench(no space)