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    Question

    Natural radioactivity was discovered by

    -
    A Marie Curie Correct Answer Incorrect Answer
    B Ernest Rutherfor Correct Answer Incorrect Answer
    C Henri Becquerel Correct Answer Incorrect Answer
    D Enrico Fermi Correct Answer Incorrect Answer

    Solution

    The Discovery of Radioactivity. In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of x- rays, which had been discovered in 1895 by Wilhelm Roentgen.

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