Question

    Identify the rock that is not of igneous origin.

    A Granite Correct Answer Incorrect Answer
    B Basalt Correct Answer Incorrect Answer
    C Chalk Correct Answer Incorrect Answer
    D Pegmatite Correct Answer Incorrect Answer

    Solution

    Chalk is a sedimentary rock, primarily composed of limestone and formed from the microscopic skeletons of marine organisms. Unlike granite, basalt, and pegmatite, which are all igneous rocks formed from cooled magma or lava.

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