The correct option is A.
What are Seismic Waves?
Seismic waves are caused by the sudden movement of materials within the Earth, such as slipping along a fault during an earthquake. Volcanic eruptions, explosions, landslides, avalanches, and even rushing rivers can also cause seismic waves.
What generates seismic waves in a fault resulting in an earthquake?
As tectonic plates move past each other along fault zones, they sometimes get stuck. Pressure builds, and when the plates finally give and slip, energy is released as seismic waves, causing the ground to shake.
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