Question

Please help me and fast. and no guessing or i will report you.

Seismic waves that cause particles of rock to move in a back and forth motion are called __________.

A.subsurface waves
B.secondary waves
C.S waves
D.P waves

Answer 1

It is actually primary waves because they move back and forth, surface waves they move side-to-side swinging motion to the source of the seismic waves.

Answer 2

b the answer is b yeah