Question: Iskar gas ɗin dake zuƙe zafi a cikin sararin samaniya suna damƙe zafi a kusa da doron ƙasa. Wanne ne daga cikin waɗannan iskar gas ɗin dake zuƙe zafi?
Options:
sinadarin nitrogen
argon
tururin ruwa
iskar oxygen
Answer: C