Which best describes the difference between a seismograph and a seismogram?
A. A seismograph is a written record of volcanic eruptions, while a seismogram is a written record of earthquakes.
B. A seismograph records tectonic activity, while a seismogram records volcanic activity.
C. A seismograph is the instrument that detects and records volcanic activity, while a seismogram is the written record of that activity.
D. A seismograph is the instrument that detects and records movements within the earth, while a seismogram is the recording.
Answer (2)
D because its not used for volcanic activity
A seismograph is the instrument that detects seismic waves, while a seismogram is the resulting recorded data of those waves. Therefore, option D is correct. This distinction is important for understanding how earthquake data is collected and represented.
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