Multiple choice

Waves of earthquake are recorded in _____.

  1. barograph

  2. hydrograph

  3. seismograph

  4. demograph

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A seismograph is the instrument that records seismic waves produced by earthquakes. A barograph records atmospheric pressure, a hydrograph records water level/flow, and demograph is not a standard instrument.