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    Psychology
  3. Study Set
    Childhood Voyages in Development Study Set 1
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    Exam 7: Infancy-Social-And-Emotional-Development
  5. Question
    The Development of Smiling
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The Development of Smiling

Question 57

Question 57

Multiple Choice

The development of smiling


A) is entirely genetic.
B) is entirely social.
C) is random and must be learned.
D) follows similar patterns throughout the world.

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