Nke a bụ ogige sayensị mara mma nke ọgbara ọhụrụ nwere nhazi ugogbe anya zuru oke.Ọ na-enwe ike ịhazigharị njikwa okpomọkụ, mmiri mmiri mmiri, fatịlaịza, ọkụ, wdg na-akpaghị aka, dịka uto nke ifuru na akwụkwọ nri, nke mere na osisi dị na envi kacha mma ...
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