Which of the following are uses for radiation and radioactivity that are of benefit to us?
i. Nuclear waste
ii. Radioisotopes
iii. Excess exposure
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Ai only
Bii only
Ciii only
Di and ii only
Ei and iii only
i. Nuclear waste
ii. Radioisotopes
iii. Excess exposure
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Ai only
Bii only
Ciii only
Di and ii only
Ei and iii only