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CaHeK987 [17]
2 years ago
8

Please Help! ESSAY: How does a seismograph work? (The essay needs to be 5 sentences)

Biology
1 answer:
Rainbow [258]2 years ago
3 0

Answer:

Seismographs record seismic waves. They contain a weight and a pen attached to a spring. The seismograph is bolted to the ground so during an earthquake it moves with the ground, whilst the weight and pen remain still. The pen moves across a rotating paper roll recording the seismic waves.

Hope this helped, have a good day

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