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