I’m pretty sure it’s B because they need to be able to replace other cells when they die off but its also to maintain a healthy size so if they are growing too much they may need to split
The answer for your question is Monitor
From point W to point Z, the ball is B- Potential energy was transformed to kinetic energy. We know this because, at point W, the ball is in its potential form, it has the potential to roll but it has not yet started to. As we let the ball go, we turn that potential energy into kinetic energy, which is the energy that it has due to its motion.
I hope I've helped! :)
Answer:
Simple diffusion is when the particles travel through the cell and facilitated diffusion is when the molecules travel through the cell.