Asked by goodog
How is an echo formed?
A.) Sound waves travel into a soft surface.
B.) Light waves go around a smooth surface.
C.) Sound waves bounce off a flat surface.
D.) Light waves pass through a shiny surface.
A.) Sound waves travel into a soft surface.
B.) Light waves go around a smooth surface.
C.) Sound waves bounce off a flat surface.
D.) Light waves pass through a shiny surface.
Answers
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