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    Question

    What is the weight of one centimeter of surface soil

    over one hectare of land?
    A 100 t Correct Answer Incorrect Answer
    B 150 t Correct Answer Incorrect Answer
    C 200 t Correct Answer Incorrect Answer
    D 250 t Correct Answer Incorrect Answer

    Solution

    One hectare is equivalent to 10,000 square meters (m² ). Multiplying this by the thickness of one centimeter (0.01 meters), we get a volume of 100 cubic meters (m^3 ). Multiplying the volume of 100 m^3 by the bulk density of 1.5 g/cm^3 (which is equivalent to 1.5 t/m^3), we find that the weight is 150 tonnes (t).

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