Of my brothers, I was closest with Robert. I suppose, in part, being the same year's children made us close, but there were other things too. We had been together practically since birth, and we always took care of each other. When I got into trouble, Robert was there to pull me out of it if he could, or at least to see me through it, and I did the same for him. The passage provides evidence of why

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

the rocket launch by showing how the population around it changes its behavior as the earth's influence over the martian planet when he uses the term "green star".

explanation:

it is c because i got it right on my test