Chlorine 39 has a mass number 4 higher than that of the Normal Cl-35, which has 17 Protons, 18 Neutrons and 17 Electrons. Cl-39 therefore, simply has 4 more Neutrons than Cl-35 with no other differences. More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.