What best describes the difference between a seismograph and a seismogram
A. A seismograph records tectonics activity,while a seismogram records volcano activity
B.a seismograph is the instrument that detects and records movement which in earth, while a seismogram is the recording
C. A seismograph is the instrument that detects and records volcano activity,while seismogram is the written records of that activity
D.a seismograph is a written record of volcano eruption,while seismogram is a written record of an earthquake