Respuesta :
Answer:
The best way to protect air quality is to reduce the emission of pollutants by changing to cleaner fuels and processes. ... (The control of air pollution from mobile sources is described in emission-control system.)Explanation:
Answer:
The best way to protect air quality is to reduce the emission of pollutants by changing to cleaner fuels and processes. ... (The control of air pollution from mobile sources is described in emission-control system.)Explanation: