Câu hỏi
What can cause the eruption from a shield volcano to become explosive? A) Water accumulated in the vent B) Mantle plumes C) Subduction D) Caldera collapse
Giải pháp
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Ricardo Rasmussen
Professional · Tutor for 6 years
Answer
A) Water accumulated in the vent
Explanation
1. Identify the nature of shield volcanoes Shield volcanoes typically have low-viscosity lava, leading to non-explosive eruptions.2. Analyze options for explosive potential A) Water accumulated in the vent can increase pressure and cause explosive eruptions. B) Mantle plumes are associated with hotspot volcanism, not directly causing explosiveness. C) Subduction zones are more related to stratovolcanoes, not shield volcanoes. D) Caldera collapse is a result of an eruption, not a cause.