Cite Are you a geography genius? Updated February 21, 2017 | Factmonster Staff Rivers and LakesGeography Quiz Country CapitalsContinentsMountainsRivers and LakesFlagsOf the three rivers below, which is longest? MississippiDanubeAmazonLake Ontario is the source for which river? OhioSt. LawrenceYukonThe course of which river features the world's highest waterfall? a tributary of CaroniZambeziNiagaraWhat is the world's second-largest lake? SuperiorVictoriaOnegaWhich ocean features the greatest known depth? Caribbean SeaIndian OceanPacific Ocean Flags More Features ! Sources + Our Common Sources ✖ See also: Are you a geography genius?
Updated February 21, 2017 | Factmonster Staff Rivers and LakesGeography Quiz Country CapitalsContinentsMountainsRivers and LakesFlagsOf the three rivers below, which is longest? MississippiDanubeAmazonLake Ontario is the source for which river? OhioSt. LawrenceYukonThe course of which river features the world's highest waterfall? a tributary of CaroniZambeziNiagaraWhat is the world's second-largest lake? SuperiorVictoriaOnegaWhich ocean features the greatest known depth? Caribbean SeaIndian OceanPacific Ocean Flags More Features ! Sources + Our Common Sources