Question

what is echo.plzz tell​

Answer 1

Answer:

a sound or sounds caused by the reflection of sound waves from a surface back to the listener.

Answer 2

HEY MATE

A sound or sounds caused by the reflection of sound waves from a surface back to the listener is called ECHO.

HOPE IT HELPS U LOT ❣️.

PLEASE MARK ME AS BRAINLIEST.