How many gallons of waste-water is treated before being released into the natural water-bodies?(a) Millions(b) Billions(c) Trillions(d) QuadrillionThis question was posed to me in homework.Origin of the question is Microbes in Sewage Treatment topic in section Microbes in Human Welfare of Biology – Class 12

How many gallons of waste-water is treated before being released into

1.	How many gallons of waste-water is treated before being released into the natural water-bodies?(a) Millions(b) Billions(c) Trillions(d) QuadrillionThis question was posed to me in homework.Origin of the question is Microbes in Sewage Treatment topic in section Microbes in Human Welfare of Biology – Class 12
Answer» Right OPTION is (a) MILLIONS Easy EXPLANATION: Millions of gallons of waste water is treated in various sewage plants where microbes play a major role in decomposing the waste. This METHODOLOGY has been practised for a century, in almost all parts of the WORLD.

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