dolphins and sharks 1

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Across
  1. 2. to fall or jump suddenly from a high place
  2. 3. very great in size, amount, or extent
  3. 5. a ridge of ragged rock, coral, or sand just above or below the surface or the sea
Down
  1. 1. to change your behavior so that it is easier to live in a particular place or situation
  2. 4. to control the direction in which something(such as a ship, car, or airplane) moves