U fiirso qoraalka hoose ka dibna ka jawaab su'aasha kadib isla luqadda qoraalka:  Marinka: Waxaa la diiwaangeliyey kaliya labo dhacdo oo laga helay burburka qoolleyda. Marxuum J. Alan Holman, oo ahaa khabiir ku takhasusay cilmiga dhirta iyo xayawaanada, ayaa markii ugu horreysay aqoonsaday qashinka qoolleyda bogga ee Cumberland Cave, Maryland (oo u dhow Corriganville), kuwaas oo ka tirsan da'da Irvingtonian (laga bilaabo 1.8 milyan illaa 300,000 sano ka hor). Waxyaabaha labaad ee la helay waxay ahaayeen Rancholabrean (inta u dhaxaysa 300,000 iyo 11,000 sano ka hor) qaybo ka mid ah qolofka ku yaal Giant Cement Quarry ee South Carolina (u dhow Harleyville), oo ay sameeyeen Bentely iyo Knight sanadkii 1998.  Suaal: Waa maxay labada magac ee xirfadeed ee uu lahaa Alan Holman?
khabiir ku takhasusay dhirta iyo xayawaanada