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In an earthquake, a P wave is a longitudinal wave. It moves through soil and rock as a

Awavy line.
Bseries of faults.
Cseries of compressions and rarefactions.
Dseries of crests and troughs.

Verified Answer :

In an earthquake, a P wave is a longitudinal wave. It moves through soil and rock as a C. series of compressions and rarefactions.

Answer:   C. series of compression and rarefaction.

Explanation:

A longitudinal wave is the one where medium particles oscillate in the direction of wave motion. The energy is transferred by series of compression and rarefaction. Compression is region of high density of medium particles and rarefaction is the low density region through which the wave travels.

Thus, a P wave of earthquake which is a longitudinal wave traverses through soil by a series of compression and rarefaction.

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