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Panthalassa, also known as the Panthalassic or Panthalassan Ocean, (from Greek Ïá¾¶Î½ all and Î¸Î¬Î»Î±ÏÏÎ± sea), was the superocean that surrounded the supercontinent Pangaea. During the PaleozoicâMesozoic transition c. 250 Ma it occupied almost 70% of Earth's surface.
The seven continents are: North America, South America, Europe, Asia, Africa, Australia/Oceania, and Antarctica. The United States is located on the continent of North America. Oceans make up most of the world's surface area.sia is located east of Europe, so it shares its western border with Europe. To the east of Asia, lies the Pacific Ocean, which also separates Asia from North America. South of Asia, lies the Indian Ocean. The Indian Ocean separates Asia from another continent.