Statement: In a city survey, households that composted their kitchen waste put out less rubbish for collection than households that did not. Which conclusion logically follows from the statement?
Correct answer C. Among the households surveyed, composting went with less rubbish put out for collection
Explanation
The survey only shows that composting households set out less rubbish. It does not show that all waste vanishes, that everyone composts, or anything about the character of other households.
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