classroom and animals

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Across
  1. 3. open and close
  2. 7. (commonly) black, green, white
  3. 9. mistakes disappear
  4. 10. wish I could be there now
  5. 11. pirates
  6. 12. trash
Down
  1. 1. human evolution
  2. 2. kermit
  3. 4. sit
  4. 5. big and grey
  5. 6. monochrome to colors
  6. 8. study
  7. 11. written device