Intravenous mixtures are prepared in sterile conditions. They are infusions that are given through injections and syringes. It is important to keep the preparation sterile as it is directly injected to the veins which is a faster way to assimilate to the system. Thereby, proper preparations must be applied. ANswer is D.
I think they say that because most younger teens havent been driving as long as older people. And some might text and drive, or not pay attenntion. But i disagree because i have seeen how older people drive and it scares me...
I would say <span>purpose of article</span>
You didn't put any of the options but I would probably say something like because America is becoming obese and fat.