1.What kind of seismic waves travel faster?why?
2.Based on the diagram,whichi instrument is used to record the occurrence of two seismic waves?
2.Based on the diagram,whichi instrument is used to record the occurrence of two seismic waves?
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Answer:
p waves is more faster and the first seismic waves to be recorded in seismic station
it is called a seismogram ,and the output is seismograph