At about what age do babies experience a transitional period, ...

[ghost!]

At about what age do babies experience a transitional period, when changes in the structure of the vocal tract let them produce more complex sounds, such as buuuuu and paaaa?
 
  a. 2-3 months c. 7-8 months
  b. 4-6 months d. 9-10 months

Question 2

During the first 2 months of life, babies produce only
 
  a. cooing sounds. c. reflexive sounds.
  b. babbling sounds. d. crying sounds.

[diesoon]

Answer to Question 1

B

Answer to Question 2

C

[ghost!]

Thanks for the timely response, appreciate it

[kilada]

Excellent