Question

    What is the primary function of humus in soil?

    A Acts as a buffering agent Correct Answer Incorrect Answer
    B Increases soil pH Correct Answer Incorrect Answer
    C Enhances soil salinity Correct Answer Incorrect Answer
    D Reduces water holding capacity Correct Answer Incorrect Answer
    E Decreases the surface area for microbial growth Correct Answer Incorrect Answer

    Solution

    Humus acts as a buffering agent, regulating and preventing rapid changes in soil pH and soil reactions

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