I. Treatment of cancer
II...
I. Treatment of cancer
II. Detection of leakages in water mains
III. Detection of the ages of ancient tools
IV. Preparation of drugs
Which combination of the above refers to the uses of radioactive isotopes?
I and III
I and II
I, II and III
I, II, III and IV
Correct answer is D
No explanation has been provided for this answer.
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