If your high school friends were warren buffet and mark zuckerberg, and you have always maintained a close relationship with them, then you could probably say that

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

the answer to your question is,

d. when a child was born.

-mabel < 3

answer; you can turn right on a red signal (when posted);