Answer:
About 75 percent of liquid antibacterial soaps and 30 percent of bars use a chemical called triclosan as an active ingredient. The drug, which was originally used strictly in hospital settings, was adopted by manufacturers of soaps and other home products during the 1990s, eventually ballooning into an industry that's worth an estimated $1 billion. Apart from soap, we've begun putting the chemical in wipes, hand gels, cutting boards, mattress pads and all sorts of home items as we try our best to eradicate any trace of bacteria from our environment.
Wiesel will not stay in the room because he is getting afraid.
<u>Explanation</u>:
- At first, Wiesel felt too good to stay in the infirmary. At that time Wiesel has been provided white sheets, better food and he has time away from usual grueling work.
- Even though Wiesel has been provided white sheets and better food, Wiesel got afraid of getting killed.
- Wiesel got afraid because another person in the room said that Wiesel cannot make it through the selection.
I believe the answer is 67 + 23 divided by 4 which is 0