Definition: Antarctica, a vast region on Earth's surface, is located in South America. Its northernmost point, called McMurdo Island, lies at 75° S latitude and 168° W longitude, making it the world's largest island. It includes the continent of Antarctica itself and the surrounding area. Definition: The Antarctic (Antarctic) is a region located in the South Pole opposite to mainland Antarctica, covering an area of about 204 million square kilometers. The Antarctic contains the northernmost point of Earth, McMurdo Island, which measures at about 75° S latitude and 168° W longitude. The word "Antarctic" refers to the region around Antarctica, as defined by its location in the South Pole opposite mainland Antarctica.
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