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Science Trivia: Nobel Prizes and Technology
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What is the approximate radius of earth?
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A
6400 km
💡 Explanation:
Earth's radius is approximately 6,371 km, commonly rounded to 6,400 km. This value represents the distance from Earth's center to its surface. The diameter is about 12,742 km (option C shows a confused diameter value). Earth is not a perfect sphere but an oblate spheroid.