Minerals in volcanic rocks are usually smaller than minerals in plutonic rock.Why is this?
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Q95: How does silica content effect volcanic eruptions?
Q96: The volcanoes of the Hawaiian Islands are
A)strato-volcanoes.
B)composed
Q97: The silica content of magma greatly affects
Q98: What is the difference between intrusive and
Q99: The most common igneous rock is
A)basalt.
B)andesite.
C)granite.
D)none of
Q101: In a sedimentary rock,small rounded particles indicate
Q102: Of the following rocks,the one that does
Q103: Layers of limestone in a rock outcrop
Q104: As rock is weathered it breaks down
Q105: Carbonate deposition occurs in environments that are
A)warm
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