What are the major sources of air pollutants in the United States?
A) agriculture and chemical processing
B) evaporation (especially in the Southwest) and desertification
C) hydropower and biomass consumption
D) deforestation and topsoil depletion
E) industry and transportation

Question

Quizplus · Accepted Answer

Industry and transportation are the major sources of air pollutants in the United States, with emissions from vehicles, power plants, factories, and other industrial processes contributing to high levels of air pollution. While agriculture and chemical processing, evaporation, hydropower, biomass consumption, deforestation, and topsoil depletion may also contribute to localized air pollution, they are not major sources on a national scale.

What Are the Major Sources of Air Pollutants in the United