Question: Kuze kube muva nje bekucatshangwa ukuthi i-Grand Canyon (uMhosha Omkhulu) ineminyaka engaba yizigidi eziyi-5-6 ubudala. Muva nje usosayensi othile uqoqe imininingwane futhi wabhala iphepha lephephabhuku lesayensi elibonisa ukuthi lo mhosha uneminyaka engaba yizigidi eziyi-17 ubudala. Ngaphambi kokuba lwamukelwe lolu lwazi olusha ngalo mhosha, yikuphi kuloku okudingeka kwenzeke?
Options:
Usosayensi udinga ukushicilela amanye amaphepha.
Usosayensi udinga ukuthola usizo lukahulumeni.
Abanye ososayensi kudingeka basho loko abakukholelwayo.
Kudingeka ukuba ososayensi abaningi bayibeke esikalini le mininingwane emisha.
Answer: D