Multiple Choice
Historical records of volcanic eruptions ____.
A) are used effectively by land use planners and developers
B) cannot be used for prediction since volcanoes are inherently unpredictable
C) are effective in identifying areas at risk for volcanic dangers
D) are difficult to obtain since they depend on written history
E) are easily used to accurately predict the time of an eruption
Correct Answer:

Verified
Correct Answer:
Verified
Q37: A volcano that has not erupted for
Q38: A friend of yours has built up
Q39: Volcanic ash usually increases crop production after
Q40: Volcanic ash _.<br>A)is so small that it
Q41: One of greatest threats from an explosion
Q43: The greatest clear danger posed by California's
Q44: Explain the processes that lead to mudflows,
Q45: Warnings of volcanic mudflows _.<br>A)are only possible
Q46: Volcanic gasses and aerosols can create an
Q47: Pyroclastic flows _.<br>A)can be protected against in