EOSC 114 Volcanoes Exam Questions with 100% Correct Answers
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Course
EOSC 114 Volcanoes
Institution
EOSC 114 Volcanoes
EOSC 114 Volcanoes Exam Questions with 100% Correct Answers
Which statement about volcanic hazards is FALSE - Answer- bombs and blocks affect areas up to 1000km away from a volcano
What is the most significant hazard in the BC area across the border from Sumas association with an eruption from ...
EOSC 114 Volcanoes Exam
Questions with 100%
Correct Answers
Which statement about volcanic hazards is FALSE - Answer- bombs and blocks affect
areas up to 1000km away from a volcano
What is the most significant hazard in the BC area across the border from Sumas
association with an eruption from Mt. Baker? - Answer- lahar
Which statement is TRUE - Answer- pyroclastic flows travel faster than lahars
Which has the lowest viscosity - Answer- water
Which of the following does NOT contribute to Volcanic Explosivity Index (VEI) -
Answer- eruption recurrence rate
Which of the following gases produced by volcanic eruptions form acidic solutions when
dissolved in water - Answer- SO2, sulfur dioxide
a lava dome - Answer- can collapse to form pyroclastic flows
a correlation spectrometer (COSPEC) measures - Answer- the solar ultraviolet light that
is absorbed by SO2 in an eruption cloud
which of the following statements is FALSE - Answer- basalt and andesite form from
intermediate magma
the most important factor controlling explosive versus non-explosive behavior is -
Answer- magma composition
which volcano on average erupts the LOWEST viscosity lava - Answer- Mauna Loa
which statement about the Cascades is FALSE - Answer- yellowstone is part of the
Cascades
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