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Seismographs are instruments used to ____________.

Question 9 options:

Record the location of the focus

Record size of the break in the Earth’s crust at the epicenter

Record the motion of the ground during an earthquake.

Record topography of the crust in the earthquake zone

User Sriks
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1 Answer

3 votes

Answer:

they are used to record the motion of the ground

Step-by-step explanation:

User Ipor Sircer
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