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    Question

    Which of the following is the most abundant element on

    earth?
    A Oxygen Correct Answer Incorrect Answer
    B Aluminium Correct Answer Incorrect Answer
    C iron Correct Answer Incorrect Answer
    D silicon Correct Answer Incorrect Answer

    Solution

    The most abundant element present on earth is oxygen which is 46.6 percent, followed by silicon which is 27.7, then aluminium which is 8.1 percent and finally iron which is 5 percent. Hence, option A is correct. 

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