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  1. How Many Oceans Are There In The World? - WorldAtlas

    Feb 19, 2025 · 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 …

  2. What are the 5 Oceans of the World? - Earth How

    Since the year 2000, the International Hydrographic Organization (IHO) started recognizing 5 oceans: Pacific, Atlantic, Indian, Arctic and Southern Ocean.

  3. Ocean - Wikipedia

    For practical and historical reasons, it is customary to divide the World Ocean into a set of five major oceans. By convention these are the Pacific, Atlantic, Indian, Arctic, and Southern …

  4. Ocean | Definition, Distribution, Map, Formation, & Facts | Britannica

    Oct 9, 2025 · However, those conducting oceanic research generally recognize the existence of five major oceans: the Pacific, Atlantic, Indian, Southern, and Arctic oceans. Arbitrary …

  5. How many oceans are there? - NOAA's National Ocean Service

    Jun 16, 2024 · Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries - including the United States - now recognize the Southern …

  6. All About the Ocean - National Geographic Society

    May 27, 2025 · 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.

  7. 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.

  8. Oceans of the world - BBC Bitesize

    All five oceans are connected with each other, and water flows between them. The deepest known area of the ocean is the Mariana Trench in the Pacific. It is nearly 11,000 metres deep.

  9. How Many Oceans Are There? - HowStuffWorks

    Nov 17, 2023 · Humans have gotten into the habit of separating the one big, continuous, mysterious body of water that covers the globe into sectors that we call oceans. Historically, …

  10. World: Continents and Oceans - Map Quiz Game - Seterra

    There are seven continents and five oceans on the planet. In terms of land area, Asia is by far the largest continent, and the Oceania region is the smallest. The Pacific Ocean is the largest …