The process in which the floors of a building collapse on one another is known as a pancake collapse. This will make the correct answer here B, pancaking.
To Show order of events and time periods in geological time and Order of events and ages
The organism that you described is most likely a star fish. All its limbs go from the middle and if one is damaged or removed, a new one will grow from the center to replace it.
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
