Mariana Trench Vocab

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Across
  1. 3. top or highest point
  2. 5. can go or work underwater
  3. 8. control from a distance
  4. 9. from a time before history was recorded
Down
  1. 1. very quick look
  2. 2. needed or very important
  3. 4. controls itself
  4. 6. long, narrow groove or ditch
  5. 7. growing well and healthy