Civil Engineering: Which aspect is most essential to consider when integrating activated teak leaves and banana trunk into wastewater treatment systems for civil engineering projects?

A$)$ The color and texture of the materials, ensuring they blend seamlessly with surrounding infrastructure and contribute to the aesthetic appeal of the project.

B$)$ The mechanical properties of activated teak leaves and banana trunk, such as their tensile strength and flexibility, to withstand various environmental conditions and operational stresses in civil engineering applications.

C$)$ The aroma emitted by the materials during wastewater treatment processes, which may affect the overall environmental quality and community satisfaction with the civil engineering project.

D$)$ The adsorption capacity and efficiency of activated teak leaves and banana trunk in removing contaminants from wastewater, ensuring compliance with water quality standards and regulations in civil engineering projects.