Weegy: The function of the eardrum in the middle ear is to vibrate with the frequency of received sounds.
User: If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is
Weegy: If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is: 40 degrees.
User: When a sound from a source is refracted away from the surface of earth, it gives an imdictthat the
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