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    Question

    Consider the following statements: (1) The

    Earth’s magnetic field has reversed every few hundred thousand years. (2) When the Earth was created more than 4000 million years ago, there was 54% oxygen and no carbon dioxide. (3) When living organisms originated, they modified the early atmosphere of the Earth. Which of the statements given above is/are correct?
    A 1 only Correct Answer Incorrect Answer
    B 2 and 3 only Correct Answer Incorrect Answer
    C 1 and 3 only Correct Answer Incorrect Answer
    D 1, 2 and 3 Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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