Question

Air pollution is not reduced by

• A. Using precipitators
• B. Reusing wastes
• C. Cleaning air
• D. All of the above

Answer 1

Answer: (B)

Reusing wastes

Air pollution is caused by the release of harmful oxides of nitrogen, sulphur and carbon from the vehicular exhausts and industrial emissions primarily. Using precipitators allow the removal of dust from these emissions. Keeping the air clean by minimizing the combustion of fossil fuels, less use of vehicles, use of catalytic converters can help in reducing the air pollution. Reusing waste allows the minimal production of non-degradable waste. Hence, the correct answer is 'Reusing wastes'.