According to the novel Bruno (protagonist) brings up the major conflict. The first chapter introduces the first conflict as Bruno is worried about sudden plan of relocation from Berlin as his father has to start a new role in Auschwitz. Bruno is reluctant to leave his home because he likes his house, its spacious and he can explore. He also made friends there and also his grandparents live there.
However in Auschwitz Bruno meets Shmeul whom he sympathizes and brings him food. This is how the conflict changed the character.
Using 1000 plants, each for an individual barrel. The plant that was poisoned will die within thirty days, that way the people will not die. Personally I don't see what's so bad about using 1000 humans as text subjected though ;)
Yes because he created everything around us in the bible it says he created the earth so that means all the pretty creation we see around us comes from god.