Question

what is sound ?
I am back guys
is someone there ?
​

Answer 1

Answer:

In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the reception of such waves and their perception by the brain.

Explanation:

please mark me as brainliest

Answer 2

Explanation:

sound is voice which can we hear