medium · GMAT Verbal
The city's air quality has improved significantly since the new emissions tax was implemented. Therefore, the tax is the primary cause of the reduction in local pollution.
Which of the following, if true, would most weaken the conclusion?
- A major coal-fired power plant just outside the city closed three months before the tax took effect.
- Air-quality monitoring equipment was upgraded shortly after the tax took effect, producing more precise readings.
- The tax was lower than many environmental groups had initially recommended.
- Neighboring cities that did not implement the tax saw no change in their air quality.
- Many local business owners have complained about the financial burden of the tax.
Sign up free to see the explanation and track your rank →
More GMAT Verbal practice
- What logical role do the first two statements play?
- Which of the following is the conclusion?
- A gardener says: 'All roses in this garden require daily wat… — What is the role of the st
- What is the conclusion?
- What is the conclusion?
- What logical role does the first sentence play in the researcher's argument?
- What is the conclusion?
- Which of the following, if true, most undermines the agency's claim?