Radon is a naturally occurring radioactive gas that emanates from the decay of uranium in soil and rocks. It can seep into buildings through foundations. Long-term exposure to high levels of radon is a leading cause of lung cancer, particularly for non- smokers. While other pollutants listed are significant, Radon's link to lung cancer makes it a primary concern for indoor air quality, depending on geological factors.
The most important indoor air pollutant is
Asked in CGPSC Prelims Exam 2015 · Topic: Pollution (Indoor Air Pollution: Sources, health effects, control measures.)
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