medium · LSAT Logical Reasoning
A city reported its highest-ever industrial output last year, with local factories operating at near-maximum capacity. Surprisingly, air quality monitors throughout the city showed that the levels of harmful pollutants were significantly lower than in previous years of lower industrial activity.
Which one of the following, if true, most helps to resolve the paradox?
- The city had just imposed stringent environmental rules compelling every major factory to fit advanced filtration equipment and switch to cleaner-burning fuels.
- The city's population has fallen as many residents moved to the suburbs to escape factory noise.
- Unusually persistent winds that year kept pollutants from settling and lingering over the city.
- The city's air monitors are frequently sited in residential neighborhoods rather than right beside the industrial zones.
- Total emissions per ton of goods produced have stayed roughly constant across the city's factories for years.
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More LSAT Logical Reasoning practice
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