Which of these accurately describes the shape of planet Earth?

Microsoft Rewards Bing Earth Quiz: Which of these accurately describes the shape of planet Earth?

A Bulging sphere
B Dodecagonal
C Jelly bean-like

Due to our planet’s rotation on its axis, centripetal forces push on the North and South poles causing the globe to bulge a little around the equator. That shape is called an oblate spheroid.

The correct answer is Bulging sphere.