The smaller a cell is, the more difficult it is for the cell to move enough materials across its cell membrange true of false

False seems to be the most logical answer

I would say that this is false, it would seem to be the best answer in this question.

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.