Plate tectonic

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Across
  1. 5. German meteorologist
  2. 7. a well-tested theory
  3. 8. look like they fit together
  4. 10. heat is continuously flowing
  5. 11. 94%of earth
Down
  1. 1. small aquatic freshwater reptile
  2. 2. chains similar age and structure
  3. 3. supercontinent
  4. 4. seed fern
  5. 6. a hypothesis suggested
  6. 9. how many continents are there