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melisa1 [442]
3 years ago
13

Contrast the silica content of magma in quiet and explosive eruptions

Chemistry
1 answer:
klemol [59]3 years ago
3 0
Magma in quiet eruptions has a low content in silica , while in explosive eruptions, it has a high Content in silica.  A volcano that erupts quietly has  magma that is low in silica. Low-silica magma has low viscosity and flows easily.  A volcano that erupts explosively has magma that is high in silica. High-silica magma has high viscosity, making it thick and sticky, thus it flows slowly.
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