More job opportunities (factories/industries)
Urbanization
worked for minimum wages
Europe had fallen into a state of constant warfare
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