How does civil engineering intersect with the implementation of dual$-$chambered microbial fuel cells $($MFCs$)$ in wastewater treatment?

A$)$ Civil engineers design the microbial cultures used in the MFCs$.$

B$)$ They ensure the proper electrical wiring of the MFC units.

C$)$ Civil engineering focuses on optimizing the hydraulic flow and integration of MFCs within treatment systems.

D$)$ Civil engineers primarily oversee the chemical reactions occurring in the MFC chambers