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प्रश्न
Which of the following is a biodegradable waste?
विकल्प
DDT
- Aluminum can
Plastic bag
Cow dung
MCQ
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उत्तर
Cow dung
Explanation:
Cow dung is biodegradable waste because microorganisms can naturally decompose it. DDT, aluminium cans, and plastic bags do not decompose easily.
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