Multiple Choice
Which of the following are sources of low-level radiation exposure?
1) X-rays and radioactive materials used for diagnostic purposes.
2) Employment-related exposure in medicine and industry.
3) Natural background radiation.
A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) 1,2,and 3
Correct Answer:
Verified
Correct Answer:
Verified
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