Question

Why is the world a geoid​

Answer 1

Explanation:

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The geoid (/ˈdʒiːɔɪd/) is the shape that the ocean surface would take under the influence of the gravity and rotation of Earth alone, if other influences such as winds and tides were absent. This surface is extended through the continents (such as with very narrow hypothetical canals).

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Answer 2

Explanation:

world does not match with any of the shapes such as spherical, circle or round .the globe is flat at the poles and slightly bulged in the middle like an orange. so the shape of world is given a separate name called geoid.