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निम्नांकित में कौन जैव अनिम्नीकरणीय पदार्थ है? Which of the Following is a Biodegradable Substance?

(A) D.D.T

(B) कागज

(C) वाहित जल

(D) इनमें से कोई नहीं

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Best Answer

ऊपर दिए गए विकल्पों में से डी.डी.टी (D.D.T) एक जैव अनिम्नीकरणीय (Biodegradable Substance) पदार्थ है।

इसलिए इस प्रश्न का सही विकल्प होगा : (A)

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