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In the following illustation what is happening at (a) and at (b)? what waves arrive over the interval labbeled (c)?​

In the following illustation what is happening at (a) and at (b)? what waves arrive over the interval labbeled (c)?​ class=

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WrongNumberX

Answer:

1. the vibration starts picking up getting stronger and stronger causing the tectonic plate to shake more vigorously

(c) Surface waves

Explanation:

P waves - labelled as (a) on the graph - travel fastest and are the first to arrive from the earthquake. In S - labelled as (b) - or shear waves, rock oscillates perpendicular to the direction of wave propagation. In rock, S waves generally travel about 60% the speed of P waves, and the S wave always arrives after the P wave

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