The experiments of Pierre de Maupertuis revealed that

Question

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Pierre de Maupertuis conducted experiments in Lapland in the 1730s that involved measuring the distance between two points located at different latitudes. He found that the distance between the two points was slightly shorter than what it should have been if the earth were a perfect sphere. This led him to conclude that the earth is slightly flattened at the poles and bulges at the equator, giving it an oblate spheroid shape. This is the meaning of the choice D.

The Experiments of Pierre De Maupertuis Revealed That