The most difficult geography of Mexico riddles A list of geography of Mexico related questions that are most often answered incorrectly North America quiz 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 Lawrence22%YukonYukon18%ColoradoColorado18%Created by: Riho Ishii. Statistics based on 11491 answers in 2 languages »rivers of North America 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 10513 answers in 4 languages »Mexico riddles » Which country in the New World has the largest number of UNESCO World Heritage Sites?Mexico. A number of pre-Hispanic cities put Mexico to the first place in Americas and sixth worldwide. There are 33 World Heritage Sites in Mexico, 21 in US, 19 in Brazil and 11 in Peru. hard 48% the United Statesthe United States20%MexicoMexico48%PeruPeru24%BrazilBrazil7%Created by: globalquiz.org. Statistics based on 11510 answers in 2 languages »UNESCO World Heritage riddles » To which country does Baja California peninsula belong?Mexico. The Peninsula extends 1,247 kilometres (775 mi) and is divided between two Mexican States, Baja California and Baja California Sur.hard 59% United StatesUnited States36%MexicoMexico59%FranceFrance1%BrazilBrazil1%Created by: globalquiz.org. Statistics based on 9853 answers in 4 languages »geography of North America riddles » What is the most populous Spanish-speaking country in the world?Mexico. The total population of Mexico is 112M. The second largest Spanish-speaking country is Colombia with 47M. For reference, the Spanish-speaking population of the United States is 35M.average 62% MexicoMexico62%ArgentinaArgentina12%SpainSpain5%BrazilBrazil20%Created by: globalquiz.org. Statistics based on 10496 answers in 2 languages »geography of South America riddles » Which border is that?Between the USA and Mexico. The fence on the US-Mexican border can be adjusted to remain on top of the ever shifting sand dunes. It is a special construction of narrow, 15 feet tall elements, that are movable vertically.average 64% between the USA and Mexicobetween the USA and Mexico64%between Iraq and Kuwaitbetween Iraq and Kuwait15%between Israel and Syriabetween Israel and Syria15%between China and Russiabetween China and Russia4%Created by: globalquiz.org. Statistics based on 16514 answers in 2 languages »deserts riddles » Apart from the United States of America, which other country in the world is officially named "United States"?Mexico. The official name of Mexico is United States of Mexico. Several other such countries existed in the past, including United States of Brazil (1937-1967), United States of Colombia (1863-1886) and United States of Indonesia (1949-1950).average 67% FranceFrance2%MexicoMexico67%BrazilBrazil12%PhilippinesPhilippines18%Created by: globalquiz.org. Statistics based on 15612 answers in 4 languages »country names riddles » Play North America quiz and see all the questions.