Which of the Following Help Us Believe That Earth's Mass

Multiple Choice

Which of the following help us believe that Earth's mass is distributed spherically and uniformly around Earth's center?

A) Lack of roughness of Earth's surface
B) Earth's spherical shape
C) Lack of rotational wobble
D) Earth's spherical shape and lack of rotational wobble.
E) Lack of roughness of Earth's surface, Earth's spherical shape, and lack of rotational wobble are correct