Question

what are some possible sources of air pollution?

Explanation:

Air pollution sources include industrial emissions (e.g., factories releasing pollutants like sulfur - dioxide and particulate matter), vehicle exhaust (cars, trucks emitting nitrogen oxides and carbon monoxide), burning of fossil fuels for energy (coal, oil, gas in power - plants), and agricultural activities (emission of ammonia from fertilizers and livestock waste).

Answer:

Industrial emissions, vehicle exhaust, fossil - fuel burning, agricultural activities