Question

55. The most likely explanation for the observation that humans
from entirely different societies smile when they greet a
friend is that:

(a) they share a common culture

(b) they have imprinted on smiling faces when they were
infants

(c) smiling is a learned behaviour

d) smiling is a fixed action pattern​

Answer 1

Answer:

c ) smiling is a learned behaviour

im not sure of this

Explanation: