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    Question

    What is the underlying principle of Zero Energy Cold Storage used for preserving farm commodities?

    A.

    Radiative cooling

    B.

    Mechanical refrigeration

    C.

    Freezing

    D.

    Evaporative cooling

    E.

    None of the above

    Correct option is D

    Zero Energy Cold Storage operates on the principle of evaporative cooling, which helps maintain lower temperatures without the use of electricity.

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