Watson's go to Birmingham Vocabulary

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Across
  1. 2. an explosive sound caused by planes moving faster than the speed of sound
  2. 5. randomly or by chance
  3. 6. killed with an electrical shock
  4. 8. relating to hygiene, especially a clean water supply
  5. 10. an informal means of spreading information from person to person
Down
  1. 1. dangerously spinning body of water
  2. 3. improve or make better
  3. 4. listened secretly
  4. 7. privilege that comes from being older
  5. 9. peak, highest point