For brainliest, answer quickly and correctly
the diagram below shows a longitudinal wave at one instant in its motion. each oval represents a particle acted on by the energy of the wave as it moves from left to right. which line on the diagram indicates one wavelength of the wave?

The arrow below the top one

Explanation:

"A rarefaction is a point on a longitudinal wave where the objects, or particles, through which the wave is traveling are the most spread apart. The red arrow below indicates a rarefaction point, at which the ovals are the most spread apart." I took the test.

because of the importance of consistency in data collection. but we have to evaluate the resource or information, and not just accept what is posted online since information available on the internet is not regulated for quality or accuracy.