If a body of magma becomes more felsic,its viscosity will ____________.
A)increase
B)decrease
C)stay the same

Name: If a body of magma becomes more felsic,its viscosity will ____________. A)increase B)decrease C)stay the same
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Question

Quizplus · Accepted Answer

As magma becomes more felsic, it contains more silica, which makes it more viscous. This is because silica tetrahedra in the magma form chains that create more resistance to flow. Therefore, the viscosity of magma increases as its composition becomes more felsic.

If a Body of Magma Becomes More Felsic,its Viscosity Will