Question

which is the best strategy for addressing polluted air?
○ reduce the cost of chemicals used in industrial processes.
○ study the effects of mold exposure on people who suffer from asthma.
○ encourage people to continue burning fossil fuels as they drive vehicles.
○ build industrial plants and facilities that release chemicals during processing.

Explanation:

First, eliminate options that worsen or do not address air pollution:

1. Reducing chemical costs for industry does not reduce emissions, so it does not help.
2. Encouraging fossil fuel burning increases air pollutants, worsening the problem.
3. Building chemical-releasing industrial plants adds more air pollution.
4. Studying mold exposure in asthma patients is the only option related to understanding and addressing health impacts of poor air quality (a key part of addressing polluted air by identifying affected groups and guiding mitigation for their protection).

Answer:

B. Study the effects of mold exposure on people who suffer from asthma.