Q2): A polluted lake has an initial concentration of a bacteria of (1*10' part/m³), while the acceptable level is only. (5*106 part/m³), The concentration of the bacteria will reduce as fresh water enters the lake. The differential equation that governs the concentration (C) of the pollutan as a function of time (in weeks) is given by: +0.06 C 0.C (0) = 10¹ find the concentration of the pollutant after (6)weeks and step size (h=2) weeks by using (choose only one): a- Runge-Kutta 2nd order b- Runge-Kutta 4th order

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