Between the ages of 4 and 6 months:
A)crying begins
B)cooing begins
C)babbling begins
D)heuristics begin

Question

Quizplus · Accepted Answer

Babbling begins between the ages of 4 and 6 months. This is when infants start making vowel and consonant sounds, such as "ba-ba" and "ga-ga." While crying typically begins at birth and cooing may start earlier around 2-3 months, heuristic behaviors refer to problem-solving strategies that do not necessarily have a specific age range.

Between the Ages of 4 and 6 Months