Mr. Pelton Sciencepeltonscience.weebly.com/uploads/4/6/7/2/46721149/...p Waves The first waves to...
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Mr. Pelton Sciencepeltonscience.weebly.com/uploads/4/6/7/2/46721149/...p Waves The first waves to arrive are primary waves, or p P waves are seismic waves that compress and expand