Answer:
they are called Mechanical waves and there are two kinds Transverse waves and compressional waves. Where matter in the medium moves back and forth at right angles to the direction the wave travels. I hope dis helps :3
I am not sure if its going to be right or wrong but I would pick either C or A
17) cerebellum
18) temporal lobe
iam sorry about the others their answers are not in the paragraph
C hope that helps have a great day :))))
