First of all the reason the graph would be a curve is because, as the time increases the position changes, at first the ball is at a certain point then it starts rolling off a cliff so its moving foward and then the ball starts falling, (If too confusing here is a image http://www.mazzworld.net/U11Image1.gif)
Answer:
I think it's climate, if I'm not mistaken.
I don't know if this is right but I think B: three times or its probably more than 3 times bc of these hurible people in this world!
The answer for that is false
