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Which Ocean Is the World’s Smallest? — Plus More on Earth's Waterways

Water covers about 71 percent of Earth's surface, but do you know the difference between an ocean and a sea? And which ocean is the smallest?

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Which Ocean Is the World’s Smallest? — Plus More on Earth's Waterways
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    What Is the World’s Shortest River?

    What Is the World’s Shortest River?

    Rivers are known for their long, meandering flows, but not all rivers run great distances. In fact, Montana's Roe River flows for a mere 201 feet (61 …

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