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Question

A seismograph is a graph which records an earthquake.

A
True
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B
False
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Solution

The correct option is A True
A seismograph is an instrument that is used to record seismic waves caused by an earthquake, underground nuclear explosion or movement of a tectonic plate.

Seismographs are made up of electromagnetic sensors that translate ground motions into electrical changes, which are processed and recorded by the instruments analog or digital circuits.

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