Indoor pollution is considered worse than outdoor pollution because of cigarette smoke and:

Question

Quizplus · Accepted Answer

Radon is a radioactive gas that can leak into buildings from the surrounding soil and is associated with an increased risk of lung cancer. Indoor exposure to benzene, a chemical found in tobacco smoke, paints, and plastics, can also have negative health effects. While fireplace wood smoke and chlorine can contribute to indoor pollution, they are not considered to be as harmful as radon and benzene.

Indoor Pollution Is Considered Worse Than Outdoor Pollution Because of Cigarette