Geography

The Great Barrier Reef is commonly known as the "Pearl of the Ocean" due to its vast and beautiful coral ecosystem. The other options are incorrect or not commonly associated with the Great Barrier Reef.

The area between the Indus and Jhelum rivers is known as the Sindh Sagar Doab. 'Doab' refers to the land between two rivers, and Sindh Sagar Doab specifically lies between these two rivers in Pakistan.

The Orange River is a major river in southern Africa, primarily flowing through South Africa. It does not flow through Indonesia, Egypt, or Mexico, making South Africa the correct answer.

Rome, the capital of Italy, is located on the banks of the Tiber River, which flows through the city and has historical significance.

Cho Oyu is the sixth highest mountain in the world, with an elevation of 8,586 meters (28,169 feet). Therefore, option A is the correct height of Cho Oyu.

Bali is predominantly Hindu, making it unique among Indonesian islands, which are mostly Muslim. Therefore, it is known as a Hindu island.

Kanchenjunga is the third highest mountain in the world with an elevation of 8586 meters (28,169 feet). This is the widely accepted and verified height.

Kennedy Space Center is located in Florida, USA. It is NASA's primary launch center for human spaceflight, making Florida the correct location.

Manaslu mountain's height is officially recorded as 8163 meters (26,781 feet), making option A the correct choice. The other options do not match the recognized height.

There are exactly 14 mountains in the world that are over 8000 meters (26,247 feet) above sea level. These are known as the eight-thousanders, all located in the Himalayan and Karakoram mountain ranges. This is a well-established fact confirmed by authoritative sources such as Wikipedia and mountaineering organizations.

The longest EU-funded underwater tunnel in Europe opened in Poland is the Świnoujście Tunnel, which connects the islands of Wolin and Usedom (also known as Usedom). This tunnel provides a permanent road link between these two islands, replacing the former ferry connections. The islands of Ołowianka and Karsibór are unrelated to this tunnel. Therefore, the correct answer is A: Usedom and Wolin.

Usedom is an island in the Baltic Sea shared by Germany and Poland, making option B correct. The other options are either not islands or not shared between these two countries.

Lake Mungo in south-western New South Wales is recognized as Australia's oldest lake, with a formation history extending back at least 120,000 years. Dove Lake (Tasmania) and Lake George are younger in geological terms, and Hillier Lake is not noted as the oldest. Since none of the options A (Hillier Lake), B (Dove Lake), or C (Lake George) are the oldest, the correct answer is D (None of these).

Makalu is the fifth highest mountain in the world with an elevation of 8,586 meters (28,169 feet). Therefore, option A is correct.

Gasherbrum II is a well-known mountain in the Karakoram range with an officially recognized height of 8,047 meters (26,400 feet). Option B correctly states this height, while option A's height corresponds to Gasherbrum I, and options C and D are heights of other peaks.

Lhotse is the fourth highest mountain in the world with an official height of 8,586 meters (28,169 feet). Option A correctly states this height, while option B corresponds to the height of Makalu, and option D is the height of Mount Everest.

Dhaulagiri is the seventh highest mountain in the world with an official height of 8,586 meters (28,169 feet). Option A correctly states this height, while option D is the height of Annapurna I, not Dhaulagiri.

Dasht-e Margo, meaning 'Desert of Death,' is a desert located in Afghanistan. Therefore, option C is correct.

Annapurna I, also known as Annapurna I Main, is officially recorded as 8,091 meters (26,545 feet) tall. This is confirmed by multiple authoritative sources including Wikipedia and other mountain databases. Therefore, the correct option is C: 8091m/26,545ft.

Komodo dragons are native to a few Indonesian islands, including Komodo, Rinca, Flores, and Gili Motang. Therefore, Indonesia is the correct answer.

The longest EU-funded underwater tunnel in Europe is the Świnoujście Tunnel in Poland. It is an immersed-tube tunnel approximately 2.4 km long, connecting the islands of Usedom and Wolin with the city centre of Świnoujście. The project received significant EU Cohesion Policy funding (€162.3 million) and was officially opened in 2023. The previously mentioned Liefkenshoek rail tunnel in Belgium is an important EU-funded tunnel but is not the longest underwater tunnel in Europe.

Mount Erebus, located on Ross Island in Antarctica, is the southernmost active volcano on Earth. It is well known for its persistent lava lake and continuous volcanic activity, making it the correct answer.

The Congo River is the only major river that crosses the Equator twice, flowing north and then south across it. The Nile, Amazon, and Indus Rivers do not cross the Equator twice.

Great Britain is the largest island in the British Isles and politically consists of three autonomous countries: England, Wales, and Scotland. This makes option C the correct answer.

The grasslands found in Africa are called Savannahs, characterized by a mix of grass and scattered trees, typical of regions like the Serengeti. Prairies are North American grasslands, Steppes are Eurasian grasslands, and Pampas are South American grasslands.