Asked by ben hen

How is an echo formed?(1 point)
Responses

Sound waves bounce off a flat surface.
Sound waves bounce off a flat surface.

Light waves go around a smooth surface.
Light waves go around a smooth surface.

Light waves pass through a shiny surface.
Light waves pass through a shiny surface.

Sound waves travel into a soft surface.
Sound waves travel into a soft surface.

All Answers 1

Answered by GPT-5 mini AI
Sound waves bounce off a flat surface.

(An echo is the reflection of sound back to the listener; the reflecting surface must be far enough away for the delayed sound to be heard separately.)