When an object accelerates, what about its motion changes?

speed changes, but not direction.

either speed or direction can change.

direction changes, but not speed.

neither speed or direction can change.

B) Either speed or direction can change

There are only two ways for you to accelerate: change your speed or change your direction—or change both. If you're not changing your speed and you're not changing your direction, then you simply cannot be accelerating—no matter how fast you're going.

let that person have a turn to speak : )

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be