Respuesta :
The correct answer is A). The West Coast.
As seen on the County Emissions map of Air Pollutants in te U.S., California produces so much air pollution in comparison to other U.S. regions. The West coast of California has the highest ozone levels.
The cities in California where there are the highest levels of smog are Los Angeles-Long Beach area, Fresno, and Bakersfield. Probably 80% to 90% ninety percent of people in California live in regions with polluted air.