Question

definition of sound. answer the question​

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. ... Sound waves below 20 Hz are known as infrasound.

Answer 2

Answer:

Sound is something that you hear or that can be heard. You can hear sound coming from a television, radio, etc.

Hope it helps:)

Please mark me as Brainlist