Microbes Participate in Which Step of Wastewater Treatment

Question

Microbes participate in which step of wastewater treatment?
A) preliminary
B) primary
C) secondary
D) tertiary
E) every step

Accepted Answer

Microbes play a critical role in the secondary treatment stage of wastewater treatment, where they break down organic matter and pollutants in the water through biological processes. They are also present in the other stages but are most important in the secondary stage.