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    Question

    In its latest advertisement, PureSip Mineral Water

    claims that its product is the healthiest bottled water available in the market. The company states that since PureSip water undergoes a special triple-filtration process that removes all minerals and impurities, it is safer and purer than ordinary bottled water. Therefore, people who drink PureSip regularly are likely to be healthier than others. Which of the following, if true, would most seriously weaken the argument made by PureSip?
    A Ordinary bottled water brands also use advanced filtration processes. Correct Answer Incorrect Answer
    B The removal of essential minerals from water can make it less beneficial for health. Correct Answer Incorrect Answer
    C People prefer the taste of mineral-rich water to completely purified water. Correct Answer Incorrect Answer
    D The triple-filtration process used by PureSip is more expensive than standard processes. Correct Answer Incorrect Answer

    Solution

    The advertisement’s argument is: Premise: PureSip removes all minerals and impurities. Conclusion: Therefore, it is the healthiest water and makes people healthier. If essential minerals (like calcium, magnesium, etc.) are also removed in this process, the argument collapses — because what PureSip presents as a benefit (removing everything) actually reduces the water’s health value. Hence, option B most strongly weakens the argument.

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