Question

What is sound? Difference between audible and inaudible sound?

Answer 1

Answer:

Sound is the vibrations that travel through the air or another medium and can be heard when they reach a person's  ear

Audible sound is the range of hertz till what we can hear and Inaudible sound is the range of hertz what we cannot hear

Explanation:

Answer 2

sound is an energy which in the form of waves through the high pitch or high frequency and low pitch or frequency ( compression and high frequency) . audible means which we can hear up to 20 htz and inaudible means opposite to audible more than 20 htz ( unit of frequency : heartz)