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    Question

    During controlled atmospheric storage, composition of

    which gases is controlled?
    A O₂ + N₂ Correct Answer Incorrect Answer
    B CO₂ + N₂ Correct Answer Incorrect Answer
    C C₂H₄ + N₂ Correct Answer Incorrect Answer
    D CO₂ + O₂ Correct Answer Incorrect Answer

    Solution

    CA storage regulates O₂ (reduced to 2–5%) and CO₂ (elevated to 1–10%) to slow respiration and inhibit spoilage.

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