Question: wanne ne a cikin waɗannan yake da yiyuwar amfaani wajen samun baƙar ƙasa mai albarkar da ta dace da noma?
Options:
bushewa/ruɓewar tsirrai
lalacewar sinadarin radioactive 
zaizayar ruwa 
zaizayar ƙasa ta hanyar iska 
Answer: A