Predicting the eruption of volcanos relies largely on monitoring the movement of magma underground. How was this
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Question:
Predicting the eruption of volcanos relies largely on monitoring the movement of magma underground. How was this done by the USGS geologists as they struggled with predicting if, and when, Mt. Pinatubo would erupt in 1991?
a) they monitored earthquakes
b) they monitored the movement of animals
c) they monitored the mood of the Air Force brass
d) they monitored the weather
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