Civil Engineering: Which factor is paramount in assessing the applicability of activated teak leaves and banana trunk for wastewater treatment systems within civil engineering projects?

A$)$ The potential biodegradability of these materials, ensuring minimal environmental impact during disposal after their useful life in civil engineering applications.

B$)$ The availability of skilled labor capable of implementing and maintaining activated teak leaves and banana trunk$-$based filtration systems in civil engineering projects.

C$)$ The aesthetic appeal of these materials, which may influence their acceptance by stakeholders and communities affected by civil engineering projects.

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