Which type of wave vibrates from side to side and up and down? A. P waves
B. S waves
C. Surface waves
D. Focus waves

the correct answer is B    s waves

Explanation:

These are the shake waves that move the ground up and down or from side to side. S waves are called secondary waves because they always arrive after P waves at seismic recording stations. Unlike P waves, S waves can travel only through solid materials.

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