Question

give reason : The shape of the earth is not exactly of a sphere.

Answer 1

Shape of earth is not exactly as a sphere as...
Aristotle (who made quite a lot of observations about the spherical nature of the Earth) noticed that during lunar eclipses (when the Earth’s orbit places it directly between the Sun and the Moon, creating a shadow in the process), the shadow on the Moon’s surface is round. This shadow is the planet's, and it’s a great clue about the spherical shape of the Earth.

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Answer 2

Answer:

hope this helps....

the earth as we thought when we were young is not in spherical shape but moreover it is slightly flattened at the pole and bulging at the equator due to the rotation  of earth because the vertical diameter is lesser than the horizontal diameter of the earth.