How does your body respond differently the second time it is exposed to a pathogen than the first time it was expond to the same pathogen?

It is prepared for it, it advances all the cells incase another one of hose pathogens comes back its ready.

Explanation:

answer is b

  a   having low self-esteem

  b   having abusive family members

  c   having poor school attendance

  d   having friends who discuss gang life

living torture and being abused makes one not mind harming other people.

and also not being supported and abusing one turns one into this state.

d, i believe because of it's activity level