Plate Tectonics Crossword

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Across
  1. 1. circle of volcanoes
  2. 3. theory of earth's outer shell
  3. 5. the theory that configuration of the continents were different
  4. 6. an area of fracturing between rocks
Down
  1. 2. a sudden shaking of the ground
  2. 4. something that erupts and lava comes out