 
<translate> Ụgbọala na-akwọ ụgbọala na-ahapụ anwụrụ ọkụ ọjọọ n'azụ. Anwụrụ ọkụ na-adịghị mma na-emetọ ikuku. Ya mere azịza ya bụ mmetọ. <eng> Driving vehicle leaves the bad smoke behind. Bad smoke makes air polluted. So the final answer is pollution. 