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Science
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The ocean crust is composed mostly of which of the...
Single Choice
The ocean crust is composed mostly of which of the following rock types?
A.
Basalt
B.
Granite
C.
Tonalite
D.
Gneiss [NYS]
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[问答题] The Cascade Mountains and the Andes Mountains are part of what is called the Ring of Fire. All of th...
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