Question

please answer it fast​

Answer 1

Answer:

1.

for boy.s.. harshness of voice

forgirls.s.. enlargement of bre.ast

2.

audible sounds can be heard by human ears and inaudible can't be heard

Answer 2

Answer:

Audible Sounds are the sounds of frequency which are audible to the human ear. ... Inaudible sounds are the sounds of frequency which are not audible to the human ear

Explanation:

Please mark as brainlist