Which statements describe a seismograph? Select four options.
1. It has a curved graphi...
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Which statements describe a seismograph? Select four options.
1. It has a curved graphing surface.
2. It is used to locate an earthquake’s epicenter.
3. It uses a needle on graph paper to measure seismic wave activity.
4. It determines the arrival time of P waves.
5. It measures data used to find the difference between the arrival times of surface waves.
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