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प्रश्न
Which of the following are biodegradable and which non-biodegradable?
Glass bottle, Paper, Ball point pen refill, Hay, DDT, Wheat, Cake, Wood, Polythene bag, Jute bag, Cotton cloth, Grass, Vegetable peels
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उत्तर
Biodegradable: Paper, hay, wheat, cake, wood, jute bag, cotton cloth, grass, vegetable peels.
Non-biodegradable: Glass bottle, ballpoint pen refill, DDT, polythene bag.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
