In 1812, Mohs was appointed Professor of Mineralogy at the Joanneum, where he developed the Mohs Scale of Mineral Hardness. Mohs ended his remarkable career at the Mining University in Leoben and died at the age of 66 in Italy.
An tsawaita wannan fayil ɗin sauti.
Maɓallan sauti da aka raba suna ƙarewa bayan sa'o'i 24. Za ka iya ƙirƙirar na kanka a ƙasa!
Ba'a buƙata kalmar sirri ba — za mu aika maka wata alaƙa da imel don ka ƙayyade daya daga baya.
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Ka yi amfani da haƙƙoƙin ka na kyauta na yau da kullum 5,000. Ka ƙirƙiri asusun kyauta don ka samu haƙƙoƙin kyauta 15,000 da kuma iyaka masu girma na yau da kullum.