Answer:
Correct choice: They move side to side
Step-by-step explanation:
See below verification of given answer choices:
They move side to side.
- Yes, they are produced through side by side motion of particles.
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They arrive before P waves.
- No, they are secondary waves, they are slow and arrive after P waves.
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They travel through liquids.
- No, they travel through solids and only liquids with high viscosity.
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They occur at Earth’s surface.
- No, they occur at inner core of Earth