A typical gasoline–powered lawn mower emits about as much air–polluting material per hour of use as does an automobil...

on September 25 at 10:04PM


Why is D incorrect ?

1 Reply

Irina on September 25 at 10:12PM


(D) is incorrect because it weakens the argument. The argument concludes that people can help reduce air pollution by switching to electric mowers, whereas (D) suggests that people could instead buy a redesigned gasoline mower to reduce pollution.

Let me know if you have any further questions.