How is an echo formed?(1 point)
Responses
Light waves pass through a shiny surface.
Light waves pass through a shiny surface.
Light waves go around a smooth surface.
Light waves go around a smooth surface.
Sound waves bounce off a flat surface.
Sound waves bounce off a flat surface.
Sound waves travel into a soft surface.
Sound waves travel into a soft surface.
1 answer
Sound waves bounce off a flat surface.
2 answers