Coronavirus, astronauts and Greek gods

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Across
  1. 2. make someone or something sick
  2. 5. someone who gets into mischief
  3. 6. extra
  4. 10. wants to be accepted or elected to a position
  5. 11. place where people pray and hear religious messages
  6. 12. an assignment or task to be accomplished
  7. 15. playful misbehavior
  8. 18. a story that is not true
  9. 19. can easily spread and make people sick
  10. 20. a group of stories that people make up to explain things
Down
  1. 1. natural place where no people live
  2. 3. opposite of mild
  3. 4. will die sometime
  4. 7. disease that spreads everywhere
  5. 8. opposite of inhale
  6. 9. area ruled by a king or queen
  7. 13. not affected by something like an infection
  8. 14. to get someone to come to you
  9. 16. a visible clue that indicates there is a problem
  10. 17. very very old or a long long time ago
  11. 19. will never die