Multiple Choice
A composite volcano is formed by
A) successive flows of fluid basaltic lava.
B) a mixture of rock and lava.
C) alternating layers of lava,ash,and mud flow debris.
D) the accumulation of ash,cinders,and rock debris.
Correct Answer:
Verified
Correct Answer:
Verified
Q120: Plutons form from magma<br>A)at Earth's surface.<br>B)below Earth's
Q121: Which mineral,quartz or feldspar,will crystallize first? Why?
Q122: Slate is metamorphosed<br>A)granite,a foliated rock with alternating
Q123: The two most common igneous rocks are
Q124: The last minerals to crystallize are those
Q126: How does silica content effect volcanic eruptions?
Q127: Rocks altered by heat and pressure beneath
Q128: The process of crystallization enriches a magma
Q129: Regional metamorphic rocks are distinguished from igneous
Q130: Rocks break down to form sediment via<br>A)erosion.<br>B)transportation.<br>C)sedimentation.<br>D)weathering.