If the rate of deactivation is given by ( frac{da}{dt} ) = 0.0064 da – McqOptions

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1.	If the rate of deactivation is given by ( frac{da}{dt} ) = 0.0064 day-1, the expression relating activity and time is ___
A.	a = 0.0064t
B.	a = 1-0.0064t
C.	a = t
D.	a = 0.0064-t
Answer» C. a = t

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