Day one

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Across
  1. 2. say you are unhappy about something
  2. 5. at the very beginning
  3. 8. think something may be true
  4. 11. one half of the Earth
  5. 12. one example of something
  6. 13. a sudden start of an illness spreading
  7. 15. feeling sure about yourself
  8. 16. a group of twelve things
  9. 17. happen
  10. 19. not strong or harsh
  11. 20. the chance that something will happen
  12. 22. not seen very often
  13. 23. produce young animals
Down
  1. 1. keep something inside a small space
  2. 3. a slight minor illness
  3. 4. create a problem or risk
  4. 6. a high body temperature when sick
  5. 7. especially
  6. 9. from hot areas near the equator
  7. 10. actions to stop bad things from happening
  8. 12. much or a lot
  9. 14. made longer in size or time
  10. 18. in the middle of a group of things
  11. 21. a dull continuous pain