- Ocean - Wikipedia
Oceans are thought to have formed in the Hadean eon and may have been the cause for the emergence of life Plate tectonics, post-glacial rebound, and sea level rise continually change the coastline and structure of the world ocean
- How Many Oceans Are There In The World? - WorldAtlas
Roughly 71 percent of Earth’s surface is covered by saltwater oceans, and the continents themselves hold lakes, rivers, and, in some instances, seas The largest bodies of water are the oceans, but there is some ongoing discussion regarding the actual number of separate oceans
- Ocean | Definition, Distribution, Map, Formation, Facts | Britannica
However, those conducting oceanic research generally recognize the existence of five major oceans: the Pacific, Atlantic, Indian, Southern, and Arctic oceans Arbitrary boundaries separate these bodies of water, but they are largely defined by the continents that frame them
- Ocean Facts - Oceanic Society
It covers more than 70% of our planet and holds 96 5% of all water It regulates our climate, generates half of Earth's oxygen, and is home to millions of species Dive into fascinating facts about ocean wildlife and ecosystems while learning what’s at stake and how you can help protect them
- Oceans—facts and information | National Geographic
The vast bodies of water surrounding the continents are critical to life on Earth But overfishing and global warming threaten to leave oceans barren
- Oceans - WWF
Our oceans cover over 71% of our planet Yet we know more about the surface of the moon than the ocean floor What defines an ocean? Oceans are far more than endless horizons and crashing waves
- All About the Ocean - National Geographic Society
Although the ocean is one continuous body of water, oceanographers have divided it into five principal areas: the Pacific, Atlantic, Indian, Arctic, and Southern Oceans
- The Global Ocean - NASA Science
NASA’s newest Earth-observing satellite provides first-of-its-kind measurements of ocean health, air quality, and the effects of a changing climate The color of our oceans, lakes and rivers can tell us a lot about what's going on just beneath the surface
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