General Knowledge

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.

The TAPI gas pipeline project involves Turkmenistan, Afghanistan, Pakistan, and India. Tajikistan is not a member of this project, making option C the correct answer.

Cinco de Mayo is a Mexican national celebration commemorating Mexico's victory over French forces at the Battle of Puebla in 1862. Therefore, the correct answer is Mexico.

The summer equinox, more commonly called the summer solstice, occurs around June 21 in the Northern Hemisphere, marking the longest day of the year. Therefore, option A (21 June) is correct.

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

The main objectives of NATO's Partnership for Peace initiative were to build cooperative relationships with former Soviet countries and to show that NATO remained relevant and active after the Cold War. Option B correctly captures these goals, while other options contain inaccuracies or incomplete information.

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).

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.

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.

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.