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Posts tagged as “earth”

The ocean is sinking into Earth’s mantle, and a dead supercontinent is partly to blame

The ocean is sinking into Earth’s mantle, and a dead supercontinent is partly to blame The ocean is a big bathtub full of 326 million cubic miles (1.3 billion cubic kilometers) of water, and somebody has unplugged the drain. Every day, hundreds of millions of gallons of water stream from the bottom of the ocean into Earth’s mantle as part of a very wet recycling program that scientists call the deep water cycle. It works like this: First, water soaked…

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