(a) What was the name of the German defense, a 2,400 mile-long fortification, against an Allied invasion? (b) What was it intended to do to enemy forces?

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.

answer; adoption agencies tend to place separated twins in similar homes;

answer; models;

answerconfirmation bias;