By purifying it Mainly without Purfied tap water it can contain lead or and Eventually lead to lead poising and kill you
I think it’s a mandible I’m not sure
I would say A. Because c and d r very dangerous if u think about it. And b is right in some situations. But if u do a then people can see whts going on if something happened because of the light. and it is safe. If wrong let me know. :D
Yes because when you want something to be perfect you tend to try and imagine it beforehand so you know what to do perfectly and if you mess up you can imagine punching the person who messed you up :)