Multiple Choice
At 6 months of age,American infants sleep about 14 hours a day,whereas infants who are the same age in Kenya sleep about 12 hours a day,and infants in the Netherlands sleep about 16 hours a day.This variation is best described by ____.
A) reflexive responses
B) cultural practice
C) innate preprogramming
D) biological influence
Correct Answer:
Verified
Correct Answer:
Verified
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