Question

which statement describes s waves?
○ they move side to side.
○ they arrive before p waves.
○ they travel through liquids.
○ they occur at earth’s surface.

Explanation:

S waves (secondary shear waves) are a type of seismic wave. They propagate with a transverse, side-to-side motion perpendicular to the direction of wave travel. P waves (primary waves) travel faster and arrive before S waves. S waves cannot travel through liquids, as liquids cannot support shear forces. While S waves can reach Earth's surface, they originate underground from seismic sources, so they do not only occur at the surface.

Answer:

They move side to side.