I'm confused. Various posts have mentioned their concerns about whether (D) strengthens the argument. Mshermn labels it a premise booster, "Answer choice (D) simply supports the claim that there has been an improvement in air quality and the levels of acid rain compared to what otherwise would ...

Even given the conclusion (I agree with you there), how is D a premise BOOSTER? Basically, I see the argument as: Since the environment is doing better now than it was 5 decades ago, So we can reject claims of ecological doom, --------------------------------------------------- Thus, "these pol...

I chose E, but I'm having a hard time understanding why A is wrong. The physician definitely believes that trampolines cause injuries to a significant number of people using them and states this in absolute terms with the number 83,400. But the trampoline enthusiast states that, in relative terms, (...

Can anyone explain why E is NOT the answer and D is? I think I see why D is the answer - The assumption in the argument is that newspapers choose their stories based on how dramatic they are and thus, in order to explain the higher frequency in appearance, the argument concludes small obs. studies m...

Yes, it does, thanks!!