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Earth's speroid without water
Since the average depth of the oceans is approx 4000m and the sea makes up around 71% of the Earth's surface, the Earth's mean spheroid without water would be approx 3km lower.
Since the average depth of the oceans is approx 4000m and the sea makes up around 71% of the Earth's surface, the Earth's mean spheroid without water would be approx 3km lower.
