Multiple Choice
Forecasts of the Mt. St. Helens eruption in 1980 were ____.
A) accurate about the force of the eruption, but not its timing
B) mostly incorrect, leading to mistrust by local authorities and residents
C) mostly correct, but were not acted on properly by authorities and residents
D) not made, because the proper technology had not been developed
E) correct, but did not reach local authorities in time to act on them
Correct Answer:

Verified
Correct Answer:
Verified
Q21: A high-speed _ contains a high proportion
Q22: Ash eruptions form their own volcanic _
Q23: The danger of volcanic ash is increased
Q24: Which Italian city is dangerously located between
Q25: Carbon dioxide _.<br>A)is not dangerous due to
Q27: Volcanoes present a danger to aircraft _.<br>A)that
Q28: Mudflows are a particular danger of _.<br>A)cinder
Q29: The predominant weather in the Pacific Northwest
Q30: Volcanic losses to life and property _.<br>A)depend
Q31: Mudflows move slowly enough that they present