Food is digested, or broken down, so that the nutrients can be extracted for use by the body as it passes through the digestive system. If food wasn't digested you would not have energy required to run vital chemical reactions and eventually resulting death
Answer:
Because 2 forces are stopping the crate, friction and gravity. While only one force is trying to move it forward.
I believe that the answer is telophase were the Nuclear envelope becomes visible again.
Hope this help.=)
