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Continental landmasses are not usually classified as islands despite being completely surrounded by water. [Note 1] However, because the definition of continent varies between geographers, the Americas are sometimes defined as two separate continents while mainland Australia is sometimes defined as an island as well as a continent.
The ocean is the body of salt water that covers approximately 70.8% of Earth. [8] In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. [9] The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.
Ocean – the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean" in the name (see: Borders of the oceans for details). Sea has several definitions: [a] A division of an ocean, delineated by landforms, [6] currents (e.g., Sargasso Sea), or specific latitude or longitude boundaries. This includes but is not ...
This article is missing information about islands in the list of islands with a size of 100–999 km 2 and islands in the list of islands with a size of 10–99 km 2. Please expand the article to include this information. Further details may exist on the talk page. (August 2023)
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions.It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continents of Asia and Australia in the west and the Americas in the east.
Scale depiction of the 5 largest islands in the US, with some other significant islands This is a list of islands of the United States , as ordered by area. It includes most islands with an area greater than 20 square miles (approximately 52 km 2 ).
Kiribati includes Kiritimati (Christmas Atoll; in the Line Islands), the largest coral atoll (in terms of land area, not dimensions) in the world, and Banaba (Ocean Island), one of the three great phosphate rock islands in the Pacific. Kiribati straddles the equator in the Pacific Ocean, about one-half of the way from Hawaii to Australia.
An island that is located where the ocean water temperatures are just sufficiently warm for upward reef growth to keep pace with the rate of subsidence is said to be at the Darwin Point. Islands in colder, more polar regions evolve toward seamounts or guyots; warmer, more equatorial islands evolve toward atolls, for example Kure Atoll.