Question

Which statements describes a seismograph? Check all that apply it has a curved graphing surface. It is used to locate an earthquakes epicenter, it uses a needle on graph paper to measure seismic wave activity, it determines the arrival time of P waves, or measures data used to find the difference between the arrival times of surface waves.

Answer 1

It uses a needle on graph paper to measure seismic wave activity.

Step-by-step explanation:

Its pretty neat looking, you should search up one.