Which of the following is biodegradable pollutant?
A
Sewage
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B
Plastic
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C
Polythene
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D
DDT
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Solution
The correct option is A Sewage
A pollutant can be degradable or nondegradable.
A degradable pollutant degrades after some time, either automatically or through the agency of microorganisms (e.g., sewage, livestock wastes, market garbage).
Biodegradable pollutants are easily disposed off or degraded through natural processes. They can be turned into a resource e.g., compost and manure.