Solving the Puzzle Under the Sea

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Across
  1. 4. The science that studies all facets of the ocean
  2. 6. The art and science of map making
  3. 8. Map maker
  4. 9. A very large body of salt water
  5. 10. Marie's friend
Down
  1. 1. A principle that scientists believe to be true but which has never been proven
  2. 2. The science that studies of land formation
  3. 3. A super continent that formed 300 million years ago
  4. 5. A deep crack in the earth's crust
  5. 7. An idea about how things work that scientists think is true