/s/ sounds!

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Across
  1. 1. we swim in it with the fish!
  2. 2. a deep sea animal from the movie Jaws
  3. 3. a fluffy farm animal
  4. 4. bright and warm
Down
  1. 1. a person in the army
  2. 2. get out of my swamp!
  3. 3. lives in a pineapple under the sea