Which of the following statements is true? question 11 options: naturally occurring nuclear radiation is called background decay. you are exposed to nuclear radiation every day. most of the nuclear radiation you are exposed to in the environment is man-made. all natural radiation is at a level low enough to be safe.

Which of the following statements is true? Question 11 options: Naturally occurring nuclear radiation is called background decay. You are exposed to nuclear radiation every day. Most of the nuclear radiation you are exposed to in the environment is man-made. All natural radiation is at a level low enough to be safe.

Explanation:

The human being has always been exposed to environmental radioactivity, but the atmosphere serves as a shield for most of it, and thus be protected.

The answer is: All natural radiation is at a level low enough to be safe.