Are emotions universal?

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Across
  1. 3. animals that feed their babies with milk
  2. 5. to cause (a device) to function
  3. 8. opposite or reverse
  4. 10. exactly
  5. 11. suitable or proper in the circumstances
  6. 12. to differ
  7. 13. to make known
Down
  1. 1. far away
  2. 2. to state or assert
  3. 4. to confirm or give support to
  4. 6. to talk
  5. 7. unable to see
  6. 9. state of being watchful for possible danger
  7. 11. to take in