Question

what are some possible sources of air pollution?

Explanation:

Air pollution sources can be natural or human - made. Natural sources include forest fires, dust storms, and volcanic eruptions. Human - made sources are mainly industrial emissions, vehicle exhausts, burning of fossil fuels for energy (like in power plants), and agricultural activities such as the use of pesticides and fertilizers.

Answer:

Natural sources: forest fires, dust storms, volcanic eruptions. Human - made sources: industrial emissions, vehicle exhausts, fossil fuel burning in power plants, agricultural activities.