Which source of radiation contributes most to the average biological equivalent dose received by a United States resident?
A)radon gas
B)cosmic rays
C)consumer products
D)medical diagnostics
E)internal radioactive nuclei

Question

Quizplus · Accepted Answer

Radon gas is the largest source of natural background radiation exposure for the average person in the United States, contributing significantly to the annual dose received.

Which Source of Radiation Contributes Most to the Average Biological