Speculation over the existence of Antarctica was confirmed in the early 1820s by US Americans, British and Russian expeditions.
Severe low temperatures vary with latitude, elevation, and distance from the ocean.
Natural resources: iron ore, chromium, copper, gold, nickel and other minerals, and coal and hydrocarbons have been found in small noncommercial quantities. Krill, finfish, and crab have been taken by commercial fisheries.
Maps of Continents
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