Mainly because in the health charts they also differ in height ,(however body frames also take a a little role into the weight but its hardly spoken about or included into the charts)
Answer:
it helps your heart pump when the person has choked or drowned
I would say b. c. & d. because the question is asking how to stay safe before, not during.
I believe traits try that
I would say it is A. Because they are going to comply with the new rules that were given, but are still being exposed to where children would want to smoke and be tempted. Plus, process of elimination. D. can't be it because it says nothing about cigarettes being stolen. C. can't be it either because a display case EXPOSES cigarettes. And B. can't be it because they are still being exposed to it.
Hope it helps.