Multiple Choice
Free radicals are dangerous because
A) they are found incorporated in any radioisotope, including those that can enter the body through the lungs as does radon
B) they can be taken into the body in the food eaten if that food has been grown in radioactive soil
C) they are substances that are missing some electrons and are extremely active chemically
D) All of these responses are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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