Geography

The Wakhan Corridor is a narrow strip of territory in northeastern Afghanistan that extends to the border with China and lies north of Pakistan. It is part of Afghanistan, not Pakistan or the other listed countries.

The line joining places of equal atmospheric pressure is called an isobar. This term is standard in meteorology for mapping pressure variations.

The line joining places of equal rainfall is called an Isoyet. Contour lines represent elevation, Isotherms represent temperature, and Isobars represent atmospheric pressure.

Port Vila is the capital city of Vanuatu, located on the island of Efate. The other options are cities in different countries and are not related to Vanuatu.

The Arctic Ocean is the smallest and shallowest of the world's five major oceans, making option B correct. The other oceans are larger in size.

The Atlantic Ocean is the second largest ocean on Earth, after the Pacific Ocean, making option A correct.

The Delaware River is located in the United States, flowing through states such as New York, New Jersey, Pennsylvania, and Delaware. Therefore, option A is correct.

The Earth's oceanic water is traditionally divided into 5 oceans, but currently, the most widely accepted classification recognizes 6 oceans: the Pacific, Atlantic, Indian, Southern (or Antarctic), Arctic, and the newly designated Southern Ocean. Therefore, the correct answer is 6.

The Andes is the longest continental mountain range in the world, stretching about 7,000 km along the western coast of South America, making it the greatest range by length.

Yakutsk is known as the coldest city in the world with extremely low winter temperatures, often dropping below -40°C. Antarctica is a continent, not a city, and Alaska and Dalarna are regions that do not have cities colder than Yakutsk.