Understanding Indoor Air Pollution and Its Effects

What is a significant environmental issue affecting our health according to the passage?

• Indoor air pollution

• Water pollution

• Noise pollution

• Soil pollution

Which gas mentioned in the passage comes from the natural breakdown of uranium in the ground?

• Radon

• Carbon dioxide

• Methane

• Ozone

What is a common source of carbon monoxide indoors as mentioned in the passage?

• Faulty heating systems

• Cooking stoves

• Air conditioners

• Refrigerators

Who are particularly vulnerable to the impact of indoor air pollution according to the passage?

• Children and the elderly

• Teenagers

• Middle-aged adults

• Athletes

What is one effective way to reduce indoor air pollution as suggested in the passage?

• Ensuring proper ventilation

• Using air fresheners

• Keeping windows closed

• Using more carpets