Question

    What is the primary component of an eggshell?

    A CaCO₃ Correct Answer Incorrect Answer
    B MgCO₃ Correct Answer Incorrect Answer
    C MgSO₄ Correct Answer Incorrect Answer
    D NH₃ Correct Answer Incorrect Answer

    Solution

    Eggshells are primarily composed of calcium carbonate (CaCO₃), which gives them their hardness. The shell is porous, allowing gas exchange while protecting the developing embryo.

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