There is more water in Earth's mantle than in all the oceans on the surface.
Fact #3594
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The Andes mountain range runs along the western edge of South America.
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The Amazon River discharges more water into the ocean than the next seven largest rivers combined.
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The Earth is about 4.5 billion years old.
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The Sahara Desert is roughly the size of the United States.
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The Sahara Desert spans across multiple countries in North Africa.
Fact #187 · Geography
Around 90% of the world's population lives in the Northern Hemisphere.
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The largest desert in the world by area is Antarctica.
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The city of Jericho is one of the oldest known walled cities.
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