Geography · The Earth as an Oblate Spheroid
Refined geodetic measurements indicate that the Earth is not a perfect sphere, but rather flattened at the poles and bulging at the Equator. What is the primary cause of this shape?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Convection currents inside the Earth's mantle
- 2Solar radiation pressure on the tropical zones
- 3The gravitational pull exerted by the Moon
- 4Centrifugal force caused by the Earth's rotation✓
Correct answer
Centrifugal force caused by the Earth's rotation
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