Compared to silica-rich magma, basaltic magma is

Science
Tutor: None Selected Time limit: 1 Day

Dec 18th, 2014

Basaltic magma has a lower concentration of silica in it, so it is less viscous and has less explosive eruptions than silica-rich magma. This is because the smoother-flowing, less viscous magma allows gas to escape much easier from the depths of the volcano. Basaltic magma is normally found in shield volcanoes. Therefore, your answer is:

B) Associated with quieter volcanic eruptions

Hope this helped, thanks!

Dec 18th, 2014

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Dec 18th, 2014
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Dec 18th, 2014
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