Geography

The official border between the USA and Canada is known as the International Boundary. The other options refer to unrelated or incorrect terms.

The Engadin Valley is a well-known valley located in the canton of Graubünden in Switzerland, making option A the correct answer.

The Hispar Glacier is the longest glacier in the Karakoram range and the second-longest glacier outside the polar regions, measuring about 49 kilometers. Siachen Glacier, while significant, is shorter than Hispar.

The Sinai Peninsula is a triangular peninsula in Egypt, situated between the Mediterranean Sea to the north and the Red Sea to the south. It is geographically part of Egypt, making option A correct.

The longest international border between two countries is the boundary between the United States and Canada, stretching over 8,800 kilometers. Other options like the Radcliffe Line and Durand Line are significantly shorter.

Swat Valley is located in the Hindu Kush mountain range in northern Pakistan. This makes option A the correct answer, as the other options refer to different mountain ranges farther away.

The International Date Line passes through the Bering Strait, which lies between Russia and Alaska. This line roughly follows the 180° longitude but deviates to avoid dividing countries and islands. None of the other straits listed are crossed by the International Date Line.

The Dead Sea is known as the saltiest sea in the world due to its extremely high salt concentration, much higher than typical ocean water, making option B correct.

Cyprus is an island located in the Mediterranean Sea, making option A the correct answer. The other seas listed are in different regions and do not contain Cyprus.

Quito is the capital city of Ecuador, known for its well-preserved historic center and location high in the Andes mountains. The other options are capitals of different countries: Islamabad (Pakistan), Delhi (India), and Mexico City (Mexico).

The giant panda is native to China, primarily found in the mountain ranges in central China, such as Sichuan. Therefore, China is the correct answer.

Roald Amundsen was the first person to reach the South Pole in December 1911, making him the correct answer. The other options are incorrect: Cabot was an explorer but not related to the South Pole; Robert Peary is known for reaching the North Pole; North America is a continent, not a person.

Temple Trees is the official residence of the President of Sri Lanka. The President's House is the official office and residence in Colombo, but Temple Trees is traditionally recognized as the official residence.

The Bering Strait is a narrow passage of water that separates Asia (Russia) from North America (Alaska). Therefore, the correct answer is America.

The Red Sea is located between the Arabian Peninsula and the northeastern part of Africa, making option A correct. The other options list countries or regions that are not adjacent to the Red Sea.

Helvetia is the Latin name for the region that is now Switzerland. It is often used as a poetic or historical name for Switzerland.

The capital of East Timor is Dili, which is the largest city and the administrative center of the country. The other options are capitals or major cities of different countries.

Ghana was formerly known as the Gold Coast during colonial times before gaining independence and adopting the name Ghana.

Orography is the branch of physical geography that studies the formation, structure, and features of mountains. The other options refer to different fields: Cartography is map-making, Palaeogeography studies ancient geographical features, and Oceanography studies oceans.

Vatican City is an independent city-state enclaved within Rome, Italy, where the Pope resides. Therefore, it lies within the country of Italy.

Belgium is often referred to as the "Crossroads of Western Europe" due to its central location and role as a hub for international politics, commerce, and transportation within Western Europe.

Swaziland, now officially known as Eswatini, is often called the "Switzerland of Africa" due to its mountainous terrain and scenic beauty, similar to Switzerland.

Moseley Road Baths is a historic swimming pool located in Birmingham, United Kingdom, making option A the correct answer.

Athens is the English name derived from the Greek name 'Athinai,' which is the original name of the city in Greek. Therefore, Athens is the new or anglicized name of Athinai.

Silicon Valley refers to the southern part of the San Francisco Bay Area, which is located in the northern part of the U.S. state of California. This region is known for its high concentration of tech companies.