EARTH SCIENCE
EARTHQUAKES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement describes a seismograph?
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It has a flat graphing surface.
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It is used to locate an earthquake’s focus.
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It uses a needle on graph paper to measure seismic wave activity.
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It measures data used to find the difference between the arrival times of surface waves.
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Explanation:
Detailed explanation-1: -It has a curved graphing surface. It is used to locate an earthquake’s epicenter. It uses a needle on graph paper to measure seismic wave activity. The seismograph is also called as the seismometer.
Detailed explanation-2: -Which statement describes a seismograph? It has a flat graphing surface. It is used to locate an earthquake’s focus.
Detailed explanation-3: -A seismogram is a record of the ground motions caused by seismic waves from an earthquake. A seismograph or seismometer is the measuring instrument that creates the seismogram.
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