Where is Radon most commonly found?
https://drive.google.com/file/d/1uwXd5dJQ2pCQT_xWsM3XOo2rIX_Q1Rtj/view?usp=sharing
When uranium in American soil disintegrates, it produces radon. When the gas seeps in through the fractures of your basement and floorboards, this is bad news for families. Too much direct exposure can result in