An example of a technology that
helps support the idea of continental drift, thus leading to a change in
scientific knowledge is a seismometer. Seismometers that were placed world-wide
showed where earthquakes, volcanoes, and other geologic features were aligned.
Seismometers are instruments that measure motion of the ground, including those of seismic waves generated by earthquakes, volcanic eruptions, and
other seismic sources.
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