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Magma
What is viscosity?
Felsic rocks contain more…
Mafic rocks contain more…
What makes an eruption more explosive?
Magma with more silica is (hotter/cooler) and is (more/less) viscous.
List the types of magma from least viscous to most viscous.
1.
2.
3.
List three types of lava flows.
1.
2.
3.
What type of lava flow has a rough surface?
What type of lava flow has a smooth surface?
What makes Pahoehoe flow differently than Aa?
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