Answer
Microorganisms are key in sewage treatment as it is necessary to have organisms that will break down all of the harmful bacteria in sewage treatment. Hence, by using microorganisms, these harmful bacteria can be limited.
Work Step by Step
Microorganisms are key in sewage treatment as it is necessary to have organisms that will break down all of the harmful bacteria in sewage treatment. Hence, by using microorganisms, these harmful bacteria can be limited.