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Once located closer to the equator
No, the Antarctic is considered a separate continent.
The Antarctic Ocean does not touch the continent of North America. North America is entirely in the Northern Hemisphere. The Antarctic Ocean is the ocean that surrounds the South Pole, and does not reach even to the southern temperate zones, let alone to the Equator.
A continent close to the equator has a warm and mild climate. A continent far from the equator has a colder climate. Wegener found that continents now in a colder climates have evidence that they used to be in warmer climates, or vice versa. E.g. Wegener found that Spitsbergen, an island now in the Arctic Ocean, has fossils of tropical plants, plants that lived in warm places. Spitsbergen couldn't possibly be warm when it was in the Arctic Ocean, so according to Wegener, Spitsbergen must have been located near the equator about 300 million years ago.
The Arctic Circle is north of the Equator; the Antarctic Circle is south of the Equator.
Everywhere in Chile is south of the equator.
The Arctic Circle is north of the Equator; the Antarctic Circle is south of the Equator.
No it is south of the equator.
The Arctic Circle is north of the Equator: the Antarctic Circle is south of the Equator.
It is south of the Equator.
It is south of the equator
The Antarctic Circle is the imaginary circle 66.5 degrees south of the equator and parallel to it.