Over the last few decades

Answer choices

1. A

   Unsupported Relationship7% picked this

   In the city with the worst air pollution today, the air quality is better than it

   This assumes that the city with the worst air pollution today was one of the most polluted 30 years ago.

   7%
2. B

   Too Strong1% picked this

   No city has worse air pollution today than it did 30

   While the statements indicate that this is true of the most polluted cities 30 years ago, it is not necessarily true for all cities.

   1%
3. C

   Supports the Inference5% picked this

   Most of the public outcries against pollution came from people in the cities that had

   This supports the inference from the causal chain, but is not necessarily follow from the statements.

   5%
4. D

   Unsupported Relationship3% picked this

   The most polluted cities today are not the cities that were the most polluted

   While it’s not that the most polluted cities improved their air quality, it could be true that all cities improved their air quality. It also could be the amount of improvement was the same everywhere. In which case the cities that were the most polluted 30 years ago would still be the most polluted today.

   3%
5. E

   Correct83% picked this

   Public criticism led to an improvement in the air quality of the cities that had the most polluted

   Why this is right

   This connects the PO -causes? SR -causes? IAQ causal chain implied by the statements.

   Skill tested: Must be True · how this choice captures the argument's function is the move to repeat next time.

   83%