Both use the scientific method to an extent and are a way of scientific exploration.
Answer:
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These waves are of a higher frequency than surface waves. The first kind of body wave is the P wave or primary wave. This is the fastest kind of seismic wave, and, consequently, the first to 'arrive' at a seismic station. The P wave can move through solid rock and fluids, like water or the liquid layers of the earth.
The alimentary canal and gi tract
I hope this helps:)