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cdong cdong
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6 years ago
Charles Darwin concluded that emotions must have evolved after studying the
 
  a. facial expressions of humans and other primates.
 b. emotional behavior of insects.
 c. genetic contributions to the autonomic nervous system.
 d. varying emotional behaviors of animals found in the Galapagos Islands.
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hthththththt
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cdong Author
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6 years ago
This helped my grade so much Perfect
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
Thanks for your help!!
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