Answer:
oh.. ;/ well dont listen to him hes just a loser messing with ur head and screwing with ur mom, maybe you should talk to her about it. I hope you feel better and know that your not useless or a waste of space and that ur beautiful in every way. :)
Explanation:
Chromium
Carbon monoxide detector ,Emergency fire up ladder
Safety precaution
A,D,B
yes of course they have always been able to do it