Which of the following pieces of information would, if true, most weaken the author's claim that rooftop gardens are good for the environment?
Which of the following pieces of information would, if true, most weaken the author's claim that rooftop gardens are good for the environment?
A. Parks have many benefits that rooftop gardens do not share.
B. More pollution is produced during rooftop garden construction than rooftop plants can remove from the air.
C. Extremely high winds atop tall city buildings can severely damage some plants.
D. The overall environmental benefits that result from driving less exceed those of planting a rooftop garden.