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warhead warhead
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6 years ago
More recent attempts to teach nonhuman primates __________ or __________ have not produced excellent results.
 
  a. sign language, keyboard symbol language
  b. writing, sign language
  c. computer keyboard language, color-based language
  d. writing, color-based language
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Daisuke_auroraDaisuke_aurora
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6 years ago
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warhead Author
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Thanks
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This site is awesome
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Helped a lot
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