What Are the Three Factors That Influence Viscosity of a Lava

question 48

Multiple Choice

What are the three factors that influence viscosity of a lava?

• A) depth of magma, temperature, ease of gas escaping to atmosphere
• B) amount of gas, rhyolite, and vesicules in the magma
• C) origin of the magma, plate tectonic setting, condensation
• D) plate tectonic setting, thickness of the geosphere, amount of gas in the magma
• E) silica content, temperature, dissolved gases

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