Sentinels of the Deep Ocean

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Across
  1. 4. situated or applied under the skin
  2. 5. the mound of loose rocks and pebbles that form at the base of a steep mountain
  3. 7. traveling or roaming around for fun
  4. 8. in a state of sadness or grief unable to be comforted
  5. 9. two weeks
  6. 10. a liking or habit of doing something
  7. 11. annoyance or disappointment
Down
  1. 1. tiring and challenging
  2. 2. someone whose job it is to keep watch
  3. 3. a rock that has been transformed by natural causes such as pressure or heat
  4. 6. a major realization or discovery