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  1. What is changed in metamorphic rocks?

    2. A.

     Structure
    B.

     Formation
    C.

     (1) and (2) both
    D.

     Actual chemical composition

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    Answer : Option C

    Explanation :

    Structicture and Formation is changed in metamorphic rocks. Due to subduction of rocks to lower levels of Earth's crust they experience high temperature and high pressure due to which their formation and structure changes as they recrystalline.

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