An echo is formed when sound waves bounce off hard surfaces and return to the listener.
How is an echo formed?(1 point)
Responses
Sound waves travel into a soft surface.
Sound waves travel into a soft 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 bou
1 answer
1 answer