Question

    The O horizon in soil is typically absent in:

    A Forest soils Correct Answer Incorrect Answer
    B Grasslands Correct Answer Incorrect Answer
    C Wetlands Correct Answer Incorrect Answer
    D Arctic tundra Correct Answer Incorrect Answer
    E Cultivated fields Correct Answer Incorrect Answer

    Solution

    The O horizon (organic layer) is found in forests but absent in grasslands and cultivated soils.

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