Question

Bacteria play important ______ in sewage treatment​

Answer 1

Answer:

Bacteria play important role in sewage treatment

Explanation- Aerobic bacteria use oxygen, (added mechanically), to break down wastewater contaminants, converting it into energy.

Where as Anaerobic bacteria break down sludge (A soft unpleasant substance)and produce methane

Answer 2

Explanation:

Bacteria play important role in sewage treatment.

Anaerobic bacteria are an important element in the wastewater treatment processes. They are responsible for methane fermentation of sewage sludge, facilitating decomposition of macromolecular organic matter into simpler compounds.