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Explain how and where volcanoes form (how the chemical composition of lava affects the type of volcano formed).
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Explain how and where volcanoes form (how the chemical composition of lava affects the type of volcano formed).

User Ladaghini
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Answer:

Magmas differ in composition, which affects viscosity. Magma composition has a large effect on how a volcano erupts. Felsic lavas are more viscous and erupt explosively or do not erupt. Mafic lavas are less viscous and erupt effusively.

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User Dulanga Heshan
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