general knowledge

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Across
  1. 4. Asia, Europe, Australasia are all
  2. 6. place to study at
  3. 8. instrument with five strings
  4. 9. H2O is
  5. 10. found in coffee, green and black tea, and some chocolate
Down
  1. 1. 3D shape of a circle
  2. 2. place to buy plants
  3. 3. something funny
  4. 5. Japanese food rapped in seaweed
  5. 7. occupation that operates on people