Largest ocean

Which of the Earth's oceans is the largest?
The Pacific Ocean covers 64 million square miles (165 million square kilometers). It is more than two times the size of the Atlantic. It has an average depth of 2.4 miles (3.9 kilometers).

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How much water is in the oceans

What percentage of the world's water is in the oceans?
About 97 percent. Oceans make up about two-thirds of Earth's surface, which means that when the next asteroid hits the planet, odds are good it will splash down.

Driest place on Earth

What's the driest place on Earth?
A place called Arica, in Chile, gets just 0.03 inches (0.76 millimeters) of rain per year. At that rate, it would take a century to fill a coffee cup.

Longest river

What is the longest river?
The Nile River in Africa is 4,160 miles (6,695 kilometers) long.

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