Vocab Chunnel Crossword

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Across
  1. 3. the energy released in nuclear fusion.
  2. 6. The channel between England and France.
  3. 7. Underground passageway.
Down
  1. 1. A tool used to separate water.
  2. 2. Who designed the English Chunnel.
  3. 4. The English Channel is in between what?
  4. 5. Underwater tunnel.