Respuesta :
Answer:
D
Step-by-step explanation:
Talking is something, somebody has to teach. Making noises is learned by listening to the surroundings.
Answer:
Probably A
Step-by-step explanation:
I'm surprised to see this in Math. It's a question debated by linguists and psychologists. Babies all over the world make similar noises. The language they learn depends on their parents and cultural-linguistic environment.