Pros and cons of a smart city

Complete the sentences with the words 'advantage' and 'disadvanatage' according to the video. A/An (a)   of smart cities is that sensors can monitor air quality and traffic flow.

A/An (a)   of smart cities is that they may lead to the invasion of privacy.

Health management in smart cities can be considered a/an (a)   .

Data collected in smart cities can misused by governments and that is definitely a/an (a)   .

A/An (a)   of smart cities is that it is easier and cheaper to grow fresh food.