Earthquake waves are classified as P waves and S waves. Which of the following statements is true about these waves?
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The P wave is transverse as is the S wave.
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The P wave is longitudinal as is the S wave.
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The P wave is transverse and the S wave is longitudinal.
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The P wave is longitudinal and the S wave is transverse.
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Both the P and S waves are mixtures of longitudinal and transverse waves.