According to the author, one advantage that rooftop gardens have over parks is that they ........................ A. decrease the Urban Heat Island Effect B. replenish the air with nourishi
According to the author, one advantage that rooftop gardens have over parks is that they ........................
A. decrease the Urban Heat Island Effect
B. replenish the air with nourishing oxygen
C. do not require the use of valuable urban land
D. are less expensive than traditional park spaces