Which naturally occurring odorless,colorless gas seeps into homes and is a leading cause of lung cancer?

Question

Quizplus · Accepted Answer

Radon is a naturally occurring gas that is produced by the breakdown of uranium in soil, rock, and water. It can seep into homes through cracks in the foundation, walls, and floors. Radon exposure is the second leading cause of lung cancer in the United States, after smoking. As it is odorless and colorless, specialized tests are required to detect and measure radon levels in homes.

Which Naturally Occurring Odorless,colorless Gas Seeps into Homes and Is