World Facts and Geography

Mongolia has the world's lowest population density at approximately 2 people per square kilometer, due to its vast territory and small population. Australia has about 3 people/km², while Libya and Congo have slightly higher densities.

Iraq shares its borders with six countries: Turkey to the north, Iran to the east, Kuwait and Saudi Arabia to the south, and Jordan and Syria to the west. The correct answer is A (6 countries). Options B (5) and C (4) underestimate the count, while D (7) overestimates it.

Among the options, Indonesia has consistently ranked as having one of the lowest newspaper circulation rates per capita globally, despite being the fourth most populous country. The correct answer is A (Indonesia). Iceland, Italy, and India generally have higher newspaper readership rates relative to population.

Russia is the largest country by land area, followed by Canada as the second largest. India and China are also large but rank 7th and 3rd/4th respectively.

Saudi Arabia is a desert country with extremely limited natural freshwater sources - no permanent rivers or lakes. It relies heavily on desalination, groundwater aquifers, and dams for water supply, making 'perennial sources' (naturally flowing year-round) essentially nonexistent.

Atlanta is the capital and most populous city of the U.S. state of Georgia. It is located in the southeastern United States and hosted the 1996 Summer Olympics. Germany, UK, and Australia are separate countries.

Honolulu is the capital and largest city of the U.S. state of Hawaii, located on the island of Oahu. It is the westernmost and southernmost major U.S. city. China, Japan, and Mexico are separate countries.

Rotterdam is a major port city located in the western Netherlands, in the province of South Holland. It is Europe's largest port by cargo tonnage and a crucial logistics hub for the continent. Belgium, Switzerland, and Denmark are entirely separate countries with their own distinct port cities.

Munich (München in German) is the capital and largest city of the state of Bavaria in southern Germany. It is internationally known for hosting Oktoberfest, the world's largest Volksfest. Switzerland, Norway, and New Zealand are entirely separate countries with their own major cities.

Perth is the capital and largest city of the state of Western Australia, located on Australia's southwestern coast. It is one of Australia's major cities and the most isolated major city in the world, with the nearest major city being Adelaide over 2,100 km away. New Zealand, Italy, and Greece are separate countries.

Denmark's national flag (Dannebrog) is the oldest continuously used national flag still in existence, dating back to the 13th century, with legendary origins from 1219. It has been in use longer than any other national flag.

Murchison Falls (also known as Kabarega Falls) is located in northwestern Uganda where the Nile River flows through Lake Albert. It is within Murchison Falls National Park. The falls are in Uganda, Africa, not the USA.