Which of the following are true about
sound waves? Choose all that apply.
a.they are longitudinal waves
b.they are transverse waves
c.the waves' motions happen in the same
direction that the wave travels
d.the waves' motions happen perpendicular to
the direction that the wave travels
ALL sound waves are longitudinal, I know this of of many ways, I study astronomy and the sound waves of blackholes as they form. award me brainliest and I award you with a correct answer :)
