Geography

The Strait of Gibraltar is known as the key to the Mediterranean Sea because it is the narrow passage that connects the Atlantic Ocean to the Mediterranean, controlling access to the sea.

The Taurus Mountains are a mountain range located in southern Turkey, making option B the correct answer.

Africa is composed of 54 recognized sovereign countries, making option C the correct answer.

The official residence of the Prime Minister of Sri Lanka is Temple Trees, located in Colombo. The other options are either incorrect or unrelated to Sri Lanka.

India is often called the "Land of Mighty Rivers" because it is home to several large and significant rivers such as the Ganges, Brahmaputra, and Yamuna, which play a crucial role in its geography and culture.

The 'Valley of Ten Thousand Smokes' is a region in Alaska formed by the eruption of the Novarupta volcano in 1912, known for its numerous fumaroles emitting steam and gases.

Bagram Airbase is a well-known United States military base located in Afghanistan, making option A the correct answer.

A basin is a lower area of land, typically surrounded by higher land, where water can collect. This distinguishes it from high areas or deep parts of rivers or oceans.

The Nurek Dam, which is the world's highest dam, is located in Tajikistan. It is a well-known fact in geography and general knowledge.

Mount Kilimanjaro is the highest peak in Africa, standing at approximately 5,895 meters (19,341 feet) above sea level. The other options are peaks located on different continents.

An archipelago is defined as a group or chain of separate islands clustered together in a body of water. They are not necessarily interconnected physically, but are geographically close.

India has the largest area under cultivation globally, with approximately 195 million hectares of land used for crops. This surpasses the cultivated areas of the USA, China, and Pakistan. India's vast agricultural land is due to its large rural population and extensive farming activities, making it the country with the largest cultivated area.

Earth is commonly divided into four hemispheres: Northern, Southern, Eastern, and Western. This division helps in geographical and climatic studies.

10 Downing Street is famously known as the official residence and executive office of the Prime Minister of the United Kingdom.

A peninsula is a piece of land that is surrounded by water on three sides, distinguishing it from bays, lagoons, and erosion, which are different geographical features or processes.

The Northern Hemisphere contains the majority of the world's landmass and most of the global population, making it more populated than the Southern Hemisphere and the Western Hemisphere. The Eastern Hemisphere includes populous regions but is not a hemisphere defined by population density as clearly as the Northern Hemisphere.

Africa is the only continent that spans all four hemispheres: Northern, Southern, Eastern, and Western. It crosses the Equator and the Prime Meridian, placing parts of it in each hemisphere.

The Atacama Desert is located in South America, primarily in northern Chile. It is known as one of the driest places on Earth.

Belgium is located in Western Europe, bordered by France, Germany, Luxembourg, and the Netherlands, making 'West' the correct regional descriptor.

Nigeria is the most populated country in Africa, with a population exceeding 200 million people, making it the largest by population on the continent.

Brazil is the most populated country in South America, with a population significantly larger than other countries on the continent.

Bangladesh is known as the 'Land of Golden Fibre' because it is a major producer of jute, which is often called golden fibre due to its color and economic importance.

The United States of America is located in the continent of North America, which includes Canada, the USA, and Mexico. Therefore, option A is correct.

The Friendship Bridge on the Oxus River (Amu Darya) connects Uzbekistan and Afghanistan, facilitating cross-border movement between the two countries.

Iguazu Falls is considered the largest waterfall system in the world by total width and number of individual falls, surpassing Angel Falls, Victoria Falls, and Niagara Falls. Angel Falls is the tallest single waterfall, but not the largest system.