Precise measurements of Earth indicate that its polar diameter is 1.
shorter than its equatorial diameter
2.
longer than its equatorial diameter
3.
the same length as its equatorial diameter

shorter than its equatorial diameter

Explanation:

The equatorial diameter of the earth is approximately 12760km

The polar diameter of the earth is approximately 12714km.

Therefore, precise measurements of Earth indicate that its polar diameter is shorter than its equatorial diameter by about 43km.

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