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Discussion :: Lithosphere

  1. The majority of Earth's crust is composed of which rock?

    2. A.

     Igneous
    B.

     Metamorphic
    C.

     Sedimetary
    D.

     Carbonate

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    Answer : Option A

    Explanation :

    Majority of Earth's crust is composed of igneous rock with about 90% of share. The sial & sima i.e. silica alumina & silica magnesium respective are igneous rock types.

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