147k views
0 votes
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 explained by __________.

a) differences in genetics.
b) cultural practices
c) innate programming.
d) random variation.

1 Answer

3 votes

Answer:a cultural practices

Step-by-step explanation:

User Xeneka
by
4.4k points