The Earth is slightly flattened at the poles and bulges at the equator. What is this shape called?

Here are the answers to the questions:

7. The Earth's shape, being slightly flattened at the poles and bulging at the equator, is called an oblate spheroid. C. Oblate spheroid

8. The spinning movement of the Earth around its axis is called rotation. B. Rotation

9. It takes the Earth approximately 24 hours to complete one rotation on its axis, which defines a day. D. 24 hours

10. An effect of Earth's rotation is the occurrence of day and night. B. Day and night

11. The four seasons on Earth are caused by the Earth's revolution around the Sun and its tilted axis. C. Earth's revolution and tilted axis

12. A solar eclipse occurs when the Moon comes between the Sun and Earth, blocking the Sun's light. B. The Moon comes between the Sun and Earth

13. Latitudes are horizontal lines running East to West, measuring distance north or south of the Equator. B. Horizontal lines running East to West

14. The Equator is at 0° latitude. C. 0°

15. The Greenwich Meridian is also called the Prime Meridian. B. Prime Meridian

16. Longitudes are also known as Meridians. A. Meridians