500 Minutes of Danger

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Across
  1. 4. The author of the series
  2. 5. To have a high level of intellect
  3. 7. When people disagree
  4. 9. To cause a lot of damage
  5. 12. To take refuge
  6. 14. To not feel scared
  7. 16. To be worried and pressured
  8. 18. A reptile that lives in swamps
  9. 19. Somebody employed to work undercover
  10. 20. A weapon that causes explosions and kills people
Down
  1. 1. When somebody passes away
  2. 2. Somewhere you hide when bombs are going off
  3. 3. When multiple people are fighting
  4. 6. The end of the world
  5. 8. Armed forces to protect a country
  6. 10. A vehicle used in war that fires shells
  7. 11. The possibility of suffering harm or consequences
  8. 13. When things blow up
  9. 15. To be overconfident about something
  10. 17. Small granules found at beaches