mach2urba2byMimichar mach2urba2byMimichar

21-01-2017
Geography

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How does a seismograph record seismic waves?

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tawarner2000 tawarner2000

21-01-2017

seismograph's drum feel the seismic waves. There is a weight that moves the pen so that when the seismic waves are felt, the pen jiggles and records it on paper.

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