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    Question

    Soil microorganisms are most active at which temperature

    range?
    A 18–20°C Correct Answer Incorrect Answer
    B 26–28°C Correct Answer Incorrect Answer
    C 30–32°C Correct Answer Incorrect Answer
    D 34–36°C Correct Answer Incorrect Answer
    E 10–15°C Correct Answer Incorrect Answer

    Solution

    Most soil microbes, including bacteria and fungi, exhibit peak metabolic activity at 34–36°C, optimizing organic matter decomposition and nutrient cycling.

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