Rivers of North America questions This is a list of recently added questions about rivers of North America. Which river flows through the Grand Canyon?Colorado River established its course through the canyon at least 17 million years ago. Since then, it exposed about two billion years of the Earth's geological history.Created by: globalquiz.orgvery easy 81% Rio GrandeRio Grande2895ColoradoColorado15683SnakeSnake384SacramentoSacramento369geography of the United States riddles » Where is Niagara Falls?At point 3. Located on the Niagara River, which drains Lake Erie into Lake Ontario, the combined falls form the highest flow rate of any waterfall in the world.Created by: globalquiz.orghard 54% at point 1at point 11646at point 2at point 23340at point 3at point 39319at point 4at point 42831waterfalls riddles » Which of the following North American rivers has the lowest discharge?Rio Grande is the fourth or fifth longest river system in North America, but it flows through arid and desert regions. The average discharge is just 82 m³/s (St Lawrence: 10100, Yukon: 6200, Colorado: 1200). It is also very variable, occasionally rising to over 10000 m³/s or dropping to 1 m³/s. During portions of 2001 and 2002 the mouth of the Rio Grande was blocked by a sandbar. Created by: Riho Ishiivery hard 39% Rio GrandeRio Grande7287St LawrenceSt Lawrence4415YukonYukon3691ColoradoColorado3178geography of Mexico riddles » What is the third longest river of the North America? (after Mississippi and Missouri)Yukon, having 1,979 mi (3,185 km), is just 223 miles shorter than Mississippi. Despite its length, there are only four vehicles-carrying bridges across the river.Created by: globalquiz.orgvery hard 29% Rio GrandeRio Grande2307YukonYukon2837ColoradoColorado4014ArkansasArkansas363Alaska riddles » What is the longest river in the United States?Missouri. The Missouri River is the longest river in North America. Having 2,341 mi (3,768 km), it is longer than the Mississippi (2,202 mi 3,544 km). When combined with the lower Mississippi River, it forms the world's third longest river system, after the Nile and Amazon.Created by: Shankar Kumarvery hard 34% MississippiMississippi2741MissouriMissouri1818YukonYukon422Rio GrandeRio Grande330geography of North America riddles » The Elevation of Lake Superior is 183m, Michigan 177m, Huron 176m and Erie 174m. How about Ontario?75m. The gradient between The Great Lakes is generally very shallow. However, the descent between Erie and Ontario is greater than between any of the others, and includes the spectacular Niagara Falls, 51m high.Created by: globalquiz.orgvery hard 39% 173m173m2245172m172m4283168m168m380975m75m6805geography of Canada riddles » Play North America quiz and see all the questions.