•The diameter of a sphere (1 point)

does not pass through the center of the sphere.

is the longest distance on a sphere.

is the distance from the center of the sphere to any point on the surface of the sphere.

is half the length of the radius.

wrong on both of your answers!

And the real answer is not one of the choices.

the diameter is twice the radius, not half!
The longest distance ON a sphere is a great circle.

The diameter is the longest chord through the sphere. It passes through the center.

Apologies for the incorrect answers. You are correct. The diameter of a sphere is indeed twice the length of its radius, and it passes through the center of the sphere. The longest distance on a sphere is a great circle, which is formed by the intersection of the sphere with a plane that passes through its center. Thank you for pointing out the errors.

is the longest distance on a sphere.

is half the length of the radius.