Which of the following will she be able to measure using the crest or trough of a single wave? A. the energy; It is only found i
n the crest or trough of a wave. B. the frequency; It is the distance between crests and troughs. C. the wavelength; It is measured by how fast the crest passes. D. the amplitude; It is measured by the center line of a wave to the crest or trough.
