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    Question

    In potatoes, black heart is caused by:

    A lack of COâ‚‚ in storage Correct Answer Incorrect Answer
    B lack of light in storage Correct Answer Incorrect Answer
    C lack of Oâ‚‚ in storage Correct Answer Incorrect Answer
    D deficiency of Boron Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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