Which of the following statements is accurate? a. amplitude of longitudinal waves is measured at right angles to the direction of the travel of the wave and represents the maximum distance represents the maximum distance the molecule has moved from its normal.
b. compressions and rarefactions occur throughout a transverse wave
c. the wavelength of both transverse and longitudinal waves is measured parallel to the direction of the travel of the wave
d. sound waves passing through the air will do as transverse waves, which vibrate vertically and still retain their horizontal positions