On average, approximately 82 percent of our everyday radiation exposure comes from what sources?

Question

Question: On average, approximately 82 percent of our everyday radiation exposure comes from what sources?

Options:

1.  Uranium
2.  Radon
3.  Natural
4.  Extra-terrestrial

Answer 1

3. Natural

On average, approximately 82 percent of our everyday radiation exposure comes from Natural sources.

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Explanation:

Most of our radiation exposure comes from everyday sources that aren't considered harmful. This type of radiation comes from natural and artificial sources. Over 80% of it comes from natural sources.

In natural sources, cosmic radiation cause much of our exposure. Most of our daily exposure to radiation from artificial sources is due to x-rays.