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In seismology, a P-wave is a primary wave, or sometimes a pressure wave. In general, the primary wave is the fastest moving seismic wave, as it is the first to reach any detector (seismometer) set up to sense them. Use the link below for more information.
primary
A compressional wave is a primary wave
They call it the Primary wave or a P-wave
Primary Wave Music was created in 2006-01.
primary
a wave chart is something like a tree diagram.
the biggest wave is a pwave or primary wave
Primary Wave (P wave)
A primary wave is a strong vibration or wave that hits earths surface (P) and a secondary wave (S) is a wave that hits soon after but not nearly as big.
A p wave is the primary or compression wave in a seismic wave. it's wavy
Sine wave