Question: Ta wace hanya ce hanyoyin sufuri, kamar su bas, ke amfanar al'umma?
Options:
ta hanyar rage yawan gurɓatar yanayi
ta hanyar ƙara yawan sayar da motoci
ta hanyar ƙara yawan iskar carbon dioxide a cikin iska
ta hanyar daƙile yiwuwar hatsari
Answer: A