Answer:
C
Explanation:
Since air molecules (the particles of the medium) are moving in a direction that is parallel to the direction that the wave moves, the sound wave is referred to as a longitudinal wave. The result of such longitudinal vibrations is the creation of compressions and rarefactions within the air.
Hope This Helped, -James
Agencies that are outside presidential control and separate from a traditional department. independent regulatory commissions do not report to the president, independent agencies do.
C. <span>Members are self selected.</span>
