following figure can be a response curve of _? (4 points) a) A complete-mix batch reactor of a substance A with zero order reaction b) A CMFR with 1st order removal reaction c) A Plug Flow Reactor with conservative tracers d) A Plug Flow Reactor with 1st order removal reaction Concentration Distance, X In practice, the actual or measured hydraulic detention time of a process or system is seldom identical to the ideal detention time. This can be caused by (6 points) a) Poor inlet and outlet construction to reactors b) Short circuiting c) Dead zones d) Wind currents e) Density currents f) Poor judgement of plant operator