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  5. Food: Where Does It Come From?

6th Class Science Food: Where Does It Come From? Question Bank Food

  • question_answer
    _______ makes the enamel of the teeth hard and prevent dental caries.

    A) Iodine                                       

    B) Sodium

    C) Fluorine            

    D)        Vitamin \[{{B}_{1}}\]

    E) None of these

    Correct Answer: C

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