Distinct features for each of the world’s oceans:
1. **Pacific Ocean**: The Pacific Ocean is the largest and deepest ocean, covering more than 63 million square miles and containing the Mariana Trench, the deepest part of the world’s oceans.
2. **Atlantic Ocean**: The Atlantic Ocean is known for its “Sargasso Sea,” a region characterized by its clear blue water and floating seaweed known as Sargassum. It is the only sea without a land boundary.
3. **Indian Ocean**: The Indian Ocean is distinguished by having the warmest surface temperatures of all the world’s oceans. It is also home to significant trade routes and rich marine biodiversity, particularly around the coral reefs.
4. **Southern Ocean**: The Southern Ocean, also known as the Antarctic Ocean, encircles Antarctica and is known for the powerful Antarctic Circumpolar Current, which flows from west to east around Antarctica and is the world’s largest ocean current.
5. **Arctic Ocean**: The Arctic Ocean is the smallest and shallowest of the world’s oceans, located mostly within the Arctic Circle and covered by sea ice, which varies in extent throughout the year. It plays a crucial role in the Earth’s climate system.
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