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Question

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Each of these relationships reflects a correlation. Which relationship most likely reflects correlation but not causation?
When people brush their teeth more often, they floss more often.
When people brush their teeth more often, they have fewer cavities.
When people brush their teeth more often, they have better breath.
Submit

Answer 1

The relationship that most likely reflects correlation but not causation is:

When people brush their teeth more often, they floss more often.

This could indicate a correlation where people who are diligent about their oral hygiene are likely to brush and floss more, but brushing does not cause increased flossing. The other two relationships imply a direct link between brushing and positively impacting dental health and breath, suggesting a causal relationship.