That scientist has studied the history of how rocks were formed for ten years.
Munnassaayansi amaze emyaka kkumi ng'anoonyereza ku ngeri enjazi gye zaakolebwamu.
owebya'sayansa ashomire  okwamabare gakozigwe kumara emyaka ikumi .
Esisia epiriotit ngol loka science eipone lo esubunatar imoru adawun ikar itomon.
Ba sayansini 'diyi 'ye ca e'yo oniza edeta oni yiniri ma dria eli mudri.
Lucayan gutimo kwed me ngeyo kit ma got yubbe kwede pi mwaki apar.