10 most difficult geography of North America riddles A list of ten (out of 31) geography of North America related questions that are the most often answered incorrectly Geography of North America quiz 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.very hard 29% Rio GrandeRio Grande24%YukonYukon29%ColoradoColorado41%ArkansasArkansas3%Created by: globalquiz.org. Statistics based on 10146 answers in 2 languages »rivers of North America riddles » Why is White Sands Desert in New Mexico so purely white?It is gypsum. White Sands, having 442 total square kilometers of dune fields, is the world's largest surface deposit of gypsum. Unlike other desert sands, it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.very hard 30% it is gypsumit is gypsum30%it is very fine grained sandit is very fine grained sand10%it iswhite quartzit iswhite quartz36%it is an optical illusionit is an optical illusion22%Created by: Debbie Fox. Statistics based on 13711 answers in 4 languages »natural resources riddles » Who was the first to navigate the Northwest Passage? (sea route connecting the Atlantic and Pacific Oceans)Roald Amundsen. In a three year journey between 1903 and 1906, Amundsen explored the passage with a crew of no more than six, in the converted 47-ton herring boat Gjøa. Spending winters with ship trapped in ice, he learned from the local Netsilik people about Arctic survival skills that would later prove useful. For example, he learned to use sled dogs and to wear animal skins in lieu of heavy, woolen parkas. Amundsen later led the expeditions to discover the South Pole (1911) and the North Pole (1926).very hard 33% James CookJames Cook23%Vitus BeringVitus Bering28%Roald AmundsenRoald Amundsen33%No one yetNo one yet14%Created by: globalquiz.org. Statistics based on 10971 answers in 5 languages »geography of Canada riddles » Which volcano is known as being one of the most active, but at the same one of the least violent in the world?Kīlauea, Hawaii. Kīlauea is one of the most active volcanoes on the planet and an invaluable resource for volcanologists who are able to study it up close due to its exclusively non-violent effusive activity. Kīlauea lacks a distinct peak and lies close to Mauna Loa.very hard 37% Mt Etna, ItalyMt Etna, Italy21%Kīlauea, HawaiiKīlauea, Hawaii37%Eyjafjallajökull, IcelandEyjafjallajökull, Iceland32%Mt Pinatubo, PhilippinesMt Pinatubo, Philippines7%Created by: globalquiz.org. Statistics based on 11690 answers in 4 languages »Hawaii riddles » The city of Vancouver in Canada hosted the XXI Olympic Winter Games. What is the daily mean air temperature in February in Vancouver?40.8°F (+4.9°C). Vancouver is one of Canada's warmest cities. The city has a moderate oceanic climate. On average, there are only eleven days of snowfall per year.very hard 37% 29.8°F (-1,2°C)29.8°F (-1,2°C)8%27.3°F (-2,6°C)27.3°F (-2,6°C)24%25.3°F (-3.7°C)25.3°F (-3.7°C)29%40.8°F (+4.9°C)40.8°F (+4.9°C)37%Created by: KYRTAPS. Statistics based on 10056 answers in 2 languages »Canada riddles » Where is the famous Malibu Beach?Los Angeles. Malibu is a 21-mile beach community in Los Angeles County, California. It has nothing in common with the Malibu Rum, the city name is derived from "humaliwo", meaning "the surf sounds loudly" in the language of the Chumash, Native American tribe.very hard 38% BarbadosBarbados7%CubaCuba7%FloridaFlorida46%Los AngelesLos Angeles38%Created by: Kasia. Statistics based on 17492 answers in 2 languages »California riddles » What is the largest tribal grouping of Native Americans in the United States?Cherokee. According to the 2000 census, 281,069 U.S. citizens self-identify as Cherokee. These numbers are closely followed by Navajo (269,202). Other tribal groups are considerably smaller, only Sioux (108,272) and Chippewa (105,907) exceed 100,000.very hard 38% CherokeeCherokee38%ApacheApache35%SiouxSioux20%CreekCreek5%Created by: globalquiz.org. Statistics based on 12149 answers in 2 languages »Indians 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.hard 40% 173m173m12%172m172m24%168m168m21%75m75m40%Created by: globalquiz.org. Statistics based on 20069 answers in 2 languages »lakes 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. hard 40% Rio GrandeRio Grande40%St LawrenceSt Lawrence23%YukonYukon19%ColoradoColorado16%Created by: Riho Ishii. Statistics based on 22135 answers in 2 languages »geography of Mexico riddles » Where is the famous Cave of the Crystals?In Mexico. The cave near Naica, Mexico, was discovered in 2000 by miners. At that time, it was completely submerged. Today, the cave is accessible because the mining company's pumping operations keep it clear of water. Unfortunately, the crystals deteriorate in air, and soon may be lost.hard 41% in Switzerlandin Switzerland15%in USAin USA12%in Mexicoin Mexico41%in South Africain South Africa30%Created by: globalquiz.org. Statistics based on 14637 answers in 5 languages »caves riddles » Play geography of North America quiz and see all the questions.