problem01_26 - 1.26: The surface area of the earth is about...

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1.26: The surface area of the earth is about 2 14 2 m 10 5 4 × = π R , where R is the radius of the earth, about m 10 6 6 × , so the surface area of all the oceans is about 2 14 m 10 4 × . An average depth of about 10 km gives a volume of
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