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