Praxis 5004 Practice Test Practice Question
Which of the following was the main result of the 1980 eruption of Mount St. Helens?
Correct Answer: A
Rationale: The 1980 eruption of Mount St. Helens primarily resulted in widespread ash fall, which significantly impacted infrastructure. Option A accurately reflects this outcome, as roads and highways were indeed blocked by the volcanic ash, disrupting transportation and emergency services.
Option B is misleading; while earthquakes preceded the eruption, they did not destroy homes and businesses to the extent described. Option C incorrectly attributes damage to wildfires, which were not a direct consequence of the eruption. Lastly, Option D misrepresents the effects; while volcanic activity can cause flooding, it was not the main result of this event.
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