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Air Pollution and Its Sources

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Questions and Answers

Which of the following is NOT considered a man-made source of air pollution?

Volcanic activity (correct)

Smoke stacks of power plants

Motor vehicles

Waste deposition in landfills

What type of air pollution source emits methane?

Mobile sources like vehicles

Dust from natural sources

Stationary sources like factories

Waste deposition in landfills (correct)

Which of the following is NOT an indoor air pollutant?

Lack of ventilation

Formaldehyde from building materials

Smoke from wildfires (correct)

Radon gas

What is the primary source of radon gas, a carcinogen?

Radioactive decay within the Earth's crust Signup and view all the answers

Which of the following is a natural source of air pollution?

Dust from natural sources with little vegetation Signup and view all the answers

What type of air pollution source contributes to the emission of carbon monoxide?

Wildfires Signup and view all the answers

What are volatile organic compounds (VOCs) primarily associated with?

Paint and solvents as they dry Signup and view all the answers

Which of the following is a potential source of lead exposure indoors?

Lead paint degenerating into dust Signup and view all the answers

What is a potential cause of carbon monoxide poisoning and fatalities indoors?

Faulty vents and chimneys, or burning charcoal in confined spaces Signup and view all the answers

Which of the following is NOT mentioned as a biological source of indoor air pollution?

Emissions from cooking appliances Signup and view all the answers

According to the World Health Organization (WHO), what is the primary reason for the greater health effects from indoor air pollution compared to outdoor air pollution?

Both A and B Signup and view all the answers

What is the primary reason for the accumulation of airborne pollutants indoors, according to the text?

Lack of air circulation Signup and view all the answers