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    Question

    Root secrete weak organic acids which attack the rocks

    and start to dissolve away the softer parts are 
    A Humic acid Correct Answer Incorrect Answer
    B Tannic acid Correct Answer Incorrect Answer
    C Acetic acid Correct Answer Incorrect Answer
    D All of the above Correct Answer Incorrect Answer

    Solution

    Roots of plants can secrete various organic acids, like humic acid, tannic acid, and acetic acid, which can aid in the decomposition of rocks and the release of minerals necessary for plant growth.

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