The insecticide DDT was found as a contaminate in a lake with a concentration of 8.75x10-5 M.  Safe levels of DDT are considered below 1.41x10-7 M.  DDT decomposes by first order kinetics with a rate constant of 0.0124 days-1.  How many days until the lake is considered safe from DDT contamination?   A) 880. days   B) 2030 days   C) 225 days   D) 7.70 days   E) 519 days

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