What was the purpose of the Clean Air Act of the 1970s?

(1 point)
Responses

to reduce smoking in public places
to reduce smoking in public places

to reduce the pollutants from aerosol containers
to reduce the pollutants from aerosol containers

to reduce harmful emissions from cars and factories
to reduce harmful emissions from cars and factories

to give tax breaks for using air purifiers in newly constructed houses
to give tax breaks for using air purifiers in newly constructed houses