Question

Why are the voices of men; women; &children different,?

Answer 1

because of frequency ....frequency of a women is high as compared to a men ....but the frequencies of women and children are approximately same

Answer 2

Answer:

Voice of Men,Women and chidren, are different because their vocal cords differ in size.

Men have 20mm size of vocal cords.

Women have 15mm size of vocal cords.

And a child has very short size of vocal cords.