World Geography

The total surface area of the Earth is approximately 510 million square kilometers, while the area of the United States is about 9.8 million square kilometers. Dividing Earth's area by the US area gives roughly 29 times, making option C correct.

Cancun is a well-known city located in Mexico, famous for its beaches and tourism industry. Therefore, the correct answer is Mexico.

The Valley of the Kings is a famous archaeological site located in Egypt, known for its tombs of ancient Egyptian pharaohs.

Chile is closest in size to Pakistan, with Chile's area approximately 756,000 sq km and Pakistan's area about 881,000 sq km. The other countries listed differ more significantly in size.

Devils Tower is a famous geological formation located in the United States of America, specifically in northeastern Wyoming. It is well-known as the first United States national monument.

An enclave is a territory completely surrounded by another country. San Marino is an enclave because it is entirely surrounded by Italy, unlike the other options which are independent countries with borders shared by multiple countries.

The Antonine Wall was a Roman frontier built across what is now central Scotland, marking the northernmost boundary of the Roman Empire in Britain for a period.

Argentina is known as the 'Granary of Europe' due to its vast and fertile agricultural lands that produce large quantities of grains and cereals, which were historically exported to Europe.

Maya Bay, commonly known as Maya Beach, is located on the island of Ko Phi Phi Leh in Thailand. It is famous for its stunning scenery and was featured in the movie 'The Beach'.

Virginia Falls is located in Canada, specifically in the Nahanni National Park Reserve in the Northwest Territories. This makes option C the correct answer.

Feather Falls is a well-known waterfall located in California, United States, making option C the correct answer.

The island of Madagascar has not officially changed its name. It is still officially known as Madagascar or the Republic of Madagascar. The term "Malagasy" refers to the people, language, and culture of Madagascar, not the island itself. Among the options given, "Malagasy" is the only term related to Madagascar, but it is not a new name for the island. The other options (Haitti, Mozambique, Maputo) are names of other places unrelated to Madagascar.

Urmia Lake is located in Iran, specifically in the northwest part of the country. It is one of the largest saltwater lakes in the Middle East.

Gavarnie Falls is a famous waterfall located in the Pyrenees mountains of France, making France the correct answer.

Reindeer Lake is a large lake located on the border between the Canadian provinces of Saskatchewan and Manitoba, making Canada the correct country.

Gogland Island is located in the Gulf of Finland and is part of Russia. It is known for its strategic location and historical significance.

Gersoppa Waterfall, also known as Jog Falls, is located in India. It is one of the highest waterfalls in India and is situated in the state of Karnataka.

Ribbon Falls is a well-known waterfall located in Yosemite National Park, which is in the United States. Therefore, the correct answer is the United States.

Salisbury was the colonial name of Harare, the capital city of Zimbabwe, before it was renamed in 1982 after independence.

Córdoba is a historic city in southern Spain, known for its rich Islamic and Roman heritage, including the famous Mezquita-Catedral. It was an important cultural and political center during medieval times. Therefore, the correct answer is Spain.

Lake Malawi, also known as Lake Nyasa, is located in Africa, specifically between Malawi, Mozambique, and Tanzania. Therefore, the correct answer is Africa.

The Avila Walls, also known as the Walls of Ávila, are a famous medieval fortification located in the city of Ávila, Spain. They are one of the best-preserved city walls in Europe, making Spain the correct country.

Erbil is the capital city of the Kurdistan Region in Iraq, serving as its administrative and economic center. The other options are cities in the region or nearby but are not the capital.

Baldwin Street is located in Dunedin, New Zealand, and is famous for being one of the steepest residential streets in the world.

Mali is well known for its significant gold reserves and is one of Africa's largest gold producers, making gold its most famous natural resource.