Question

Two methods of sewage treatment are given below. Which one do think is right and why ??
(a) Man-made technology
(b) Microbes treatment method

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Answer 1

Answer:

b) microbes treatment method

A wastewater treatment plant is a microbiological zoo that houses bacteria, protozoa, metazoa and other microlife. The microorganisms do the actual breakdown and removal of nutrients and organic material in the wastewater. Like you and I, they perform best when all their needs are met (food, pleasant environment etc.).