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The ocean is a major driver of Earth's water cycle. Ocean water represents the largest body of water within the global water cycle (oceans contain 97% of Earth's water ). Evaporation from the ocean moves water into the atmosphere to later rain back down onto land and the ocean. [68]
- 3.688 km (2 mi)
- 1,370,000,000 km³ (328,680,479 cu mi) (97.5% of Earth's water)
- 361,000,000 km² (139,382,879 sq mi) (71% of Earth's surface area)
- List of countries by length of coastline
Learn about the world's oceans, their features, properties, and role in the hydrologic cycle. Explore the five major oceans, their boundaries, depths, and subdivisions with Britannica.
Oct 19, 2023 · Learn about the ocean, the huge body of saltwater that covers 71 percent of Earth’s surface and has a rich biodiversity and geography. Discover the five oceans, their features, and the challenges they face from human activities.
Learn about the one global ocean and the five named regions that cover 71 percent of the Earth. Find out the historical, cultural, geographical, and scientific reasons for the boundaries of these oceans.
Mar 21, 2019 · Learn about the ocean, its role in climate, life, and human activities. Discover the diversity, beauty, and challenges of Earth's largest habitat.
- 3 min
- Christina Nunez
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Mar 5, 2024 · Learn about the ocean's role in climate, formation, floor, and life zones. The article covers the basics of oceanography, geography, and biology with photos and examples.
Oceans define our home planet, covering the majority of Earth’s surface and driving the water cycle that dominates our land and atmosphere. But more profound still, the story of our oceans envelops our home in a far larger context that reaches deep into the universe and places us in a rich family of ocean worlds that span our solar system and ...
