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    Question

    Which element constitutes the highest percentage in the

    Earth’s crust?
    A Aluminum Correct Answer Incorrect Answer
    B Iron Correct Answer Incorrect Answer
    C Oxygen Correct Answer Incorrect Answer
    D Silicon Correct Answer Incorrect Answer
    E Calcium Correct Answer Incorrect Answer

    Solution

    Oxygen constitutes 46.6% of the Earth’s crust, followed by silicon (27.72%).

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