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17-04-2020
Social Studies

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According to Charles Darwin, facial expressions a. are a uniquely human expression of emotion. b. may have originated in a common ancestor. c. vary from culture to culture. d. are a sexually selected trait.

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olalekanortega olalekanortega

20-04-2020

Answer:

a. are a uniquely human expression of emotion.

Explanation:

According to Charles Darwin, facial expressions are a uniquely human expression of emotion.

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