what is the average density of the world population ?(per square km) विश्व जनसंख्या का औसत घनत्व कितना है? (प्रति वर्ग किलोमीटर)
54
31
35
38
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54
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sorry mujhe Sahi SE. iska Jawab nhi pata so sorry yeh answer mat likhnaa ohk thankyou so much
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