geography of Mexico facts Selected as the most interesting among North America related questions in North America quiz 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.Created by: globalquiz.orgMexico facts » 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.Created by: globalquiz.orgcaves facts » 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).Created by: globalquiz.orgcountry names facts » 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. Created by: globalquiz.orgUNESCO World Heritage facts » 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.Created by: globalquiz.orggeography of South America facts » 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 Ishiirivers of North America facts » 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.Created by: globalquiz.orggeography of North America facts » Play North America quiz and see all the questions.