In the context of crust, the main mineral constituents of the continental mass are ______.
Answer
The correct answer is B: silica and alumina. The continental crust, often called 'sial', is mainly composed of silica and alumina, which are lighter and less dense than the oceanic crust.
A.nickel and ferrous
B.silica and alumina✓ Correct
C.nickel and bauxite
D.silica and magnesium
Explanation
The continental crust, often called 'sial', is mainly composed of silica and alumina, which are lighter and less dense than the oceanic crust.
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