Where does the movement energy found in falling rain come from originally?
a none of the answers are correct.
b water is always moving, so it didn't come from anywhere.
c the sun.
d chemical energy stored in the water

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave