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.orggeography of the United States riddles »very easy 80% Rio GrandeRio Grande2135ColoradoColorado11432SnakeSnake301SacramentoSacramento265 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.orgwaterfalls riddles »hard 54% at point 1at point 11260at point 2at point 22550at point 3at point 37177at point 4at point 42199 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 Ishiigeography of Mexico riddles »very hard 38% Rio GrandeRio Grande3800St LawrenceSt Lawrence2379YukonYukon1942ColoradoColorado1841 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.orggeography of North America riddles »very hard 30% Rio GrandeRio Grande1849YukonYukon2459ColoradoColorado3395ArkansasArkansas308 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 KumarUnited States riddles »very hard 23% MississippiMississippi2482MissouriMissouri971YukonYukon355Rio GrandeRio Grande258 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.orggeography of Canada riddles »hard 40% 173m173m1339172m172m2512168m168m238475m75m4243 Play North America quiz and see all the questions.