DISCUSSION QUESTIONS: 1) Distinguish how P-waves and S-waves travel differently with illustrations and
labels.
2) What type of seismic wave will reach a recording station 500 miles away from the epicenter first

P-waves compression waves while S-waves are shear waves.

Explanation:

P- waves has the ability to travels through solid, liquid and gaseous medium while S-waves travels through only solid medium and restricted by liquid and gaseous medium. P-waves is a type of seismic wave that will reach first to the recording station as compared to S-waves because P-waves moves faster that S-waves that moves slower so that's why P-waves reach first on the recording station that is located 500 miles away.

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explanation:

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that's what i got you can count the number of atoms