Mafic lava tends to be fluid, whereas felsic lava is much more viscous.

Name: Mafic lava tends to be fluid, whereas felsic lava is much more viscous.
Brand: Quizplus
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Quizplus · Accepted Answer

Mafic lava has a low viscosity due to its low silica content, whereas felsic lava has a high viscosity due to its high silica content. This means that mafic lava tends to flow more easily and cover larger areas, while felsic lava is more likely to form explosive eruptions and steep-sloped volcanoes.

Mafic Lava Tends to Be Fluid, Whereas Felsic Lava Is