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24 June, 07:00

A volcano erupts, and lava flows down a mountainside. Which statement best describes this eruption?

a. This is a quiet eruption caused by low-viscosity magma.

b. This is an explosive eruption caused by high-viscosity magma.

c. This is a quiet eruption with lava spewing out violently.

d. This is an explosive eruption during which gases bubble out gently.

Its NOT C

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Answers (2)
  1. 24 June, 07:17
    0
    a. This is a quiet eruption caused by low-viscosity magma.

    I would say this is your answer because Non explosive eruptions are favored by low gas content and low viscosity magmas (basaltic to andesitic magmas). If the viscosity is low, non-explosive eruptions usually begin with fire fountains due to release of dissolved gases.

    sorry if im wrong
  2. 24 June, 07:28
    0
    b. This is an explosive eruption caused by high-viscosity magma.
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Home » Geography » A volcano erupts, and lava flows down a mountainside. Which statement best describes this eruption? a. This is a quiet eruption caused by low-viscosity magma. b. This is an explosive eruption caused by high-viscosity magma. c.
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