21Which is the highest waterfall in the world?AIguazu FallsBAngel FallsCNiagara FallsDVictoria FallsView AnswerDiscussWorkspaceReportSaveEasy
22Which is the capital of Australia?ASydneyBPerthCMelbourneDCanberraView AnswerDiscussWorkspaceReportSaveEasy
23Which country has the longest coastline in the world?AIndonesiaBAustraliaCRussiaDCanadaView AnswerDiscussWorkspaceReportSaveEasy
24Which is the deepest lake in the world?ALake BaikalBLake TanganyikaCCaspian SeaDLake SuperiorView AnswerDiscussWorkspaceReportSaveEasy
25Which is the deepest point in the world's oceans?APuerto Rico TrenchBJava TrenchCTonga TrenchDChallenger Deep (Mariana Trench)View AnswerDiscussWorkspaceReportSaveEasy