Sea - Wikipedia
WEBA sea is a large body of salty water. There are particular seas and the sea. The sea commonly refers to the ocean, the wider body of seawater . Particular seas are either marginal seas, second-order sections of the oceanic sea (e.g. the Mediterranean Sea ), or certain large, nearly landlocked bodies of water.
Sea - National Geographic Society
WEBOct 19, 2023 · 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.
Ocean - Wikipedia
WEB1 Shore length is not a well-defined measure. The ocean is the body of salt water that covers approx. 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]
All About the Ocean - National Geographic Society
WEBMar 5, 2024 · It contains about 1.35 billion cubic kilometers (324 million cubic miles) of water, which is about 97 percent of all the water on Earth. The ocean makes all life on Earth possible, and makes the planet appear blue when viewed from space. Earth is the only planet in our solar system that is definitely known to contain liquid water.
Explore oceans - BBC Bitesize
WEBOceans of the world. There are five oceans that cover just over 70% of the planet, and they are all connected together: the Atlantic Ocean. the Pacific Ocean. the Indian Ocean. the …
World's Seas - National Geographic Society
WEBOct 19, 2023 · The Dead Sea, in Israel and Jordan, is one of dozens of seas on Earth. Seas are large bodies of salty water. The Dead Sea is one of the world's saltiest. It is so dense with salt that swimming is difficult, but floating, seen above, is easy.
Ocean | Definition, Distribution, Map, Formation, & Facts
WEBOcean, 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).
Seawater | Composition, Properties, Distribution, & Facts
WEB3 days ago · seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth ’s surface. 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.
Oceans & Seas Portal | Britannica
WEBOceans & Seas Encyclopedia Articles. See articles. Featured Articles. 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 …
Learn about our oceans and marine life | WWF
WEBOur Blue Planet. The reason our planet looks blue from space is because so much of it is ocean. There are so many reasons why we need to keep our oceans healthy. As well as being home to amazing wildlife, our oceans provide food for billions of people and income for millions. There’s more.
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