Practice mode Critical Reasoning

Argument: “This herbal remedy is completely natural, so it cannot have any side effects.” Which best describes the flaw in this reasoning?

Correct answer C. It assumes that anything natural must be harmless

Explanation

Many natural substances can be harmful in some doses or for some people. Concluding that a remedy is safe only because it is natural is an unsupported assumption.

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Answer checked 11 October 2026 How we write and check questions

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Argument: “This herbal remedy is completely natural, so it cannot have any side effects.” Which best describes the flaw in this reasoning?

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Argument: “This herbal remedy is completely natural, so it cannot have any side effects.” Which best describes the flaw in this reasoning?

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