Duba zuwa sashin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashin yake: Passage: Yana ƙaruwa da riƙewar alli, kuma yana ƙarfafawa da haɓaka ma'adinan ƙashi Tambaya: Wace irin riƙewa ce ta ƙaru?
ƙwayoyin cuta