World Physical Aspects

Geography and Environment (CSC) Combined State Civil Services

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The mean radius of the earth is approximately

3200 km

6400 km

9600 km

12800 km

Explanation:

The Earth's mean radius is determined as the average distance from the physical center to the surface, based on a large number of samples. The value, symbolized rearth, is equal to approximately 6,371,000 meters (6.371 x 106 m). This is roughly 6,371 kilometers (km) or 3,960 statute miles.

By: kamaljeet kaur

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