

MCQOPTIONS
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1. |
Which of the following professional are more likely to run the risk of a permanent change in their cell's DNA ?1. Rescarchers using carbon 14 isotope2. X - ray technicia3. Cola miner4. Dyer and painterCode |
A. | 2 alone |
B. | 1, 2 and 3 |
C. | 1, 2 and 4 |
D. | 1, 3 and 4 |
Answer» D. 1, 3 and 4 | |