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Geography, 01.07.2020 15:01 Tymere2011

Which statement describes a seismograph? It has a flat graphing surface. It is used to locate an earthquake’s focus. It uses a needle on graph paper to measure seismic wave activity. It measures data used to find the difference between the arrival times of surface waves.

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Which statement describes a seismograph? It has a flat graphing surface. It is used to locate an ear...
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