The Earth is roughly a sphere. The Earth is an irregularly shaped ellipsoid.
The Ice Ages shaped and sculpted the face of the Earth. Continents that were once connected by land bridges had shifted and separated during the Ice Ages. Therefore without the Ice Ages, Earth would look significantly different, and some of the natural beauties like Niagra Falls would not exist.
Answer:The Arctic Circle is one of the two polar circles and the most northerly of the five major circles of latitude as shown on maps of Eart
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binakol
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