Answers

2016-01-08T23:13:24+05:30
A child has short vocal chords, so he/she has a high pitch in his/her voice. A grown up man has shorter vocal cords than a kid,so the pitch of the voice is low. This affects the type of voice.
2 1 2
2016-01-09T10:50:41+05:30
Voice changes on the basis of their maturity...
2 5 2