Question

Put in order (By minimum frequency to maximum frequecy of sound)
babygirl,babyboy,woman,man

Answer 1

Frequencies

Frequency is the number of oscillations per second of the source in a nut shell.

Now the frequencies vary because of the length of our vocal cord. i.e. more the length of it less the frequency and less the length more the frequency.

Now the length of vocal cord in girls are less than boys. So the frequency will be more in girls voice than boys.

And the fundamental frequency of a woman is about 165-255Hz and the fundamental frequency of man is about 85-180Hz.

The fundamental frequency of a baby is about 200-500Hz in avg.

Babies has a smaller vocal cord as the all parts are smaller in proportion. And the vocal cord girls are smaller than boys.

So frequency of
a baby boy < of a baby girl

So the correct Sequencing will be
Frequency of a man < frequency of a woman < frequency of a baby boy < frequency of a baby girl.

That's it
Hope it helped (●´ϖ`●)