Question

please someone tell me what is sound?​

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.

Explanation:

hope it helps you

Answer 2

Answer:

sound is a vibration that propagates as an acoustic wave, through a transmission medium such a gas , liquid and gas. In human physiology and psychology , sound is reception of such waves and there perception by the brain...Sound waves below 20 Hz are known as infrasound....