WOW!? That's a lot of questions....:(
<span>A World Health Organization report shows that junk food ads harm children’s health.</span>
In a social system, there are peers and strangers to distract one from pursuing their work. While chatting with others, you may forget your train of thought or a good idea. People are likely to take you away from your work more so than a physical system (in which you can always turn off the TV, but not get people to quiet down)
Peter mentions thinking about converting to Christianity after the war, this will make his life easier. Anne thinks Peter has an inferiority complex because of this.
It‘s D, sharp decline in the bison population