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It Has Been Suggested That Baring the Teeth Is Universally

Question 390

Multiple Choice

It has been suggested that baring the teeth is universally associated with the expression of anger because this ability to convey threats has helped humans to survive. This suggestion best illustrates


A) the evolutionary perspective.
B) drive-reduction theory.
C) the two-factor theory.
D) the Yerkes-Dodson law.

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