Radon Is

Multiple Choice

Radon is

A) the radioactive substance that will probably be used to irradiate and sterilize food.
B) the main component in the radioactive fallout from nuclear weapons and nuclear power plant accidents.
C) a type of electromagnetic radiation that is produced by the sun and partially penetrates Earth's atmosphere.
D) a radioactive gas produced by the rocks and soil that can filter into houses.
E) the chemically active element in asbestos.