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प्रश्न
Give a reason for the following :
Why is municipal sewage is first separated into degradable and non-degradable wastes?
उत्तर
Municipal sewage is first separated into degradable and non-degradable wastes because degradable wastes can be broken down into non-toxic waste in septic tanks, while non-degradable waste needs to be dumped or buried at safe places to avoid any hazardous effects.
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