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Composition of the Earth

Main mineral ...

Question

Main mineral constituents of the continental mass of the crust are _____.

A

sial

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B

sima

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C

sica

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D

misa

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Solution

The correct option is A sial
The composition of the continental crust is sial. Sial refers to silica and alumina. The composition of the oceanic crust is sima. Sima refers to silica and magnesium.

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