According to the article, what are TWO benefits of living in a smart city?
A. Smart cities help address local pollution.
B. Smart cities help citizens stay physically active.
C. Smart cities make city services more cost-effective.
D. Smart cities eliminate the need for certain city departments.
E. Smart cities introduce new technology into citizens' homes.
F. Smart cities operate on less expensive energy.
ARTICLE : https://theconversation.com/how-to-ensure-smart-cities-benefit-everyone-65447