Toads can live in drier climates, where most frogs usually live in or near water. In the Tropics, where most anuran (members of the order comprising the frogs, toads, and tree toads) species occur, however, the differences are harder to determine, and some species could qualify as either toads or frogs.
Radon Gas is Found in Homes all Over the U.S. Radon is an invisible and odorless radioactive gas. Elevated levels of radon have been found in homes all across the country. Any home in any state may have a radon problem: new and old homes, well-sealed and drafty homes, and homes with or without basements. Radon gas gets into all types of buildings, including office buildings and schools.
Radon gas is an alpha emitter that comes from the radioactive decay of naturally occurring minerals in rocks and soil. The gas seeps out of the ground and is quickly diluted in the air. Interactive pie-chart Here showing background radiation from radon.ow much radon there is in your house depends on how easily radon can come up through cracks in the floor and how easily it can escape. Some rocks produce more radon than others. Granite produces lots of radon.