3 house is the answer you are looking fot
For the environmental risk, it is much better to prevent pollution than to deal with it after it has already been made. When you deal with the pollution, it is hard to say that you can eliminate completely. So, prevention is the first strategy.
Interphase is the process in which the cell prepares for mitosis, but I don’t know if that is what you were asking. Hope this helps
Neutrons are the subatomic particle that remain neutral.