Question

    Invisible drought occurs

    when 
    A There is no rain in the region Correct Answer Incorrect Answer
    B When there is rain, but it is unable to meet the ET needs of the crop Correct Answer Incorrect Answer
    C Occurs in arid and semi-arid areas Correct Answer Incorrect Answer
    D Both b & c Correct Answer Incorrect Answer

    Solution

    Invisible drought occurs when there is frequent rain in a region. When rainfall is insufficient to meet ET loss, the result is borderline water deficiency. It occurs in humid region. 

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