Of the following list, the one that gives the smallest average ionizing radiation dose per person per year is
A) cosmic rays.
B) nuclear power plants in normal operation.
C) radon gas.
D) medical X- rays.
E) the rocks and soil of Earth.

Question

Quizplus · Accepted Answer

Nuclear power plants in normal operation contribute the least to the average ionizing radiation dose per person per year compared to other sources like cosmic rays, radon gas, medical X-rays, and natural background radiation from rocks and soil.

Of the Following List, the One That Gives the Smallest