Q.

An instrument that records earth- quakes is –

A. Ergograph
B. Ediograph
C. Thermograph
D. Seismograph
Answer» D. Seismograph
Explanation: Earthquakes generate seismic waves which can be detected with a sensitive instrument called a seismograph. The earliestseismograph was invented in China A.D. 136 by a man named Choko.
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