A radioactive substance has a half life of four months. Three - fourth of the substance would decay in

A radioactive substance has a half life of four months. Three - fourth

1.	A radioactive substance has a half life of four months. Three - fourth of the substance would decay in
A.	3 months
B.	4 months
C.	8 months
D.	12 months
Answer» D. 12 months

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A radioactive substance has a half life of four months. Three - fourth of the substance would decay in

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