Question

You can recognise your friend by hearing his voice on a telephone. Give Reason
!

Answer 1

the reason behind this is the time you have spent together you have been friends since childhood so you have a frequent conversation between him or her that's why whenever he or she calls you can recognise him or her by his or her voice

Answer 2

Answer:

Question

You recognise your friend by hearing his voice on a telephone. explain.

we can easily recognise by hearing his was on a telephone because the waveform produced by the vocal cords of each person is different