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The sea is the interconnected system of all the Earth's oceanic waters, including the Atlantic, Pacific, Indian, Southern and Arctic Oceans. However, the word "sea" can also be used for many specific, much smaller bodies of seawater, such as the North Sea or the Red Sea.
Oct 19, 2023 · Sea. The “seven seas” has been used to describe the world’s great water bodies for a long time. But there are actually about 50 water formations that can be called a “sea,” and they are quite diverse when it comes to their size, location, and ecosystems.
Jun 14, 2024 · Ocean, continuous body of salt water held in enormous basins on Earth’s surface. There is one ‘world ocean,’ but researchers often separate it into the Pacific, Atlantic, Indian, Southern, and Arctic oceans. Covering nearly 71 percent of Earth’s surface, the oceans have an average depth of 3,688 metres (12,100 feet).
Oct 19, 2023 · World's Seas. People often use the term “sea” to refer to the ocean. To geographers, a sea is a division of the ocean that is enclosed or partly enclosed by land.
Jun 25, 2024 · The ocean is a huge body of saltwater that covers about 71 percent of Earth’s surface. The planet has one global ocean, though oceanographers and the countries of the world have traditionally divided it into five distinct regions: the Pacific, Atlantic, Indian, and Arctic oceans.
Jun 4, 2024 · Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases. Seawater constitutes a rich source of various commercially important chemical elements.
Caspian Sea, world’s largest inland body of water. It lies to the east of the Caucasus Mountains and to the west of the vast steppe of Central Asia. The sea’s name derives from the ancient Kaspi peoples,...
For some ocean creatures, creating light is a matter of life and death. Learn about how light is used in the ocean.
1 day ago · A national research effort aimed at saving Australia's iconic sea lions will look at cat faeces, heavy metals, microplastics, and climate change as possible culprits for the species' continued ...
Find out ten amazing ocean facts right here at National Geographic Kids, like where's the deepest point in the ocean? Which ocean is the biggest?
