Which of these is the smallest contributor to background radiation exposure in the U.S.?

Question

Quizplus · Accepted Answer

Nuclear wastes contribute the least to background radiation exposure in the U.S. compared to the other sources listed. Most background radiation comes from natural sources like radon, cosmic radiation, and naturally occurring radioactive materials, with a smaller portion from man-made sources like x-rays. Nuclear waste is managed and stored to minimize exposure to the public, making its contribution to background radiation relatively small.

Which of These Is the Smallest Contributor to Background Radiation