Amazing Whales

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Across
  1. 1. Breathe air and drink milk from their mothers.
  2. 4. Outermost or uppermost layer or area.
  3. 7. What is the blowhole used for?
Down
  1. 2. How far can whales dive down?
  2. 3. How long can Sperm whale's hold their breath?
  3. 5. Babies of Whales.
  4. 6. What do sperm whales hunt for?
  5. 8. How many blowholes can a whale have?