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प्रश्न
An example of non-biodegradable waste is
A. Vegetable peels
B. Sewage
C. Livestock waste
D. DDT
उत्तर
DDT
(DDT [Dichlorodiphenyltrichloroethane] is a non-biodegradable pollutant which persists in nature and tends to accumulate in the food chain.)
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