M5 ESC

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Across
  1. 3. appearing everywhere, very common
  2. 5. to die in a violent way
  3. 8. a feeling of anxiety
  4. 10. widespread
  5. 12. to protect someone/something
  6. 13. a person who questions everything
  7. 14. an international radio distress signal used by ships or aircrafts
  8. 16. a period of 10 years
  9. 17. single/separate
  10. 19. a person being treated by a doctor
  11. 20. not many
Down
  1. 1. to make use of
  2. 2. feeling of great happiness
  3. 4. brothers and sisters
  4. 6. a person/thing who is likely to cause danger
  5. 7. autonomous program on the internet that can interact with other systems or users
  6. 8. relating to heart
  7. 9. communication with someone/something
  8. 11. achieved or completed successfully
  9. 15. another option
  10. 18. take food/drink/substance into the body by swallowing it