Causes and Effects of Air Pollution

What is the primary source of air pollution from vehicles?

• Exhaust fumes from gasoline-powered engines

• Emissions from electric vehicles

• Particulates from tire wear

• Noise pollution from honking

Which industrial process releases toxic particulates like lead and mercury into the air?

• Cement production

• Steel manufacturing

• Textile production

• Industrial air pollution

What is the main contributor to greenhouse gas emissions from human activities?

• Deforestation

• Burning of fossil fuels

• Landfill waste

• Agricultural practices

How do biomass fuels, like wood and charcoal, contribute to indoor air pollution?

• By releasing ozone-friendly chemicals

• By producing harmless water vapor

• By emitting soot and harmful particulates

• By reducing greenhouse gas emissions

What is the primary cause of smog formation in urban areas?

• Reaction between gases from petroleum combustion and sunlight

• Emissions from industrial processes

• Particulates from construction activities

• Waste disposal practices

What is the estimated number of deaths globally attributed to air pollution each year?

• 1 million

• 5 million

• 10 million

• 20 million

How does air pollution affect life expectancy, on average?

• Increases life expectancy by 1-2 years

• Has no significant impact on life expectancy

• Reduces life expectancy by 1-2 years

• Reduces life expectancy by 3.8 years

What is the most common health risk associated with indoor air pollution from biomass fuels?

• Cardiovascular diseases

• Chronic respiratory illnesses

• Childhood pneumonia

• All of the above

How does smog affect plant growth and water systems?

• It has no significant impact

• It blocks sunlight, reducing plant growth and affecting water systems

• It increases plant growth and improves water quality

• It has a mixed impact, depending on the location

According to the World Health Organization (WHO), what percentage of deaths worldwide are attributed to air pollution?

• 5%

• 11.65%

• 20%

• 30%