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2015-07-14T16:52:53+08:00

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Body waves are the type of waves that are useful for seismologist in their study of the earth's interior because they are the only type of waves that give information about the deep interior of the Earth. Body waves have two types, the P waves and the S waves. P waves are those that can travel to solid or fluid materials while S waves can travel only through solid materials. 
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