Ihe nrapado nhazi mgbidi ákwà mgbochi
Mgbidi mgbidi iko structural nrapado ọdịda iko mkpuchi mkpuchi n'ihi ihe ọjọọ na-adịte aka nke gburugburu ebe obibi, dị ka ifufe, anyanwụ, mmiri ozuzo, radieshon ultraviolet, ala ọma jijiji, yabụ mgbidi mkpuchi iko ahụ ga-enwerịrị nguzogide ihu igwe, ogologo oge ...
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