Congress often delegates administrative rule writing to the bureaucracy because legislators . a. are not experts on most political issues but particular bureaucrats are b. are required by the Constitution to take this step c. know that bureaucrats will always perform this task admirably d. are much less efficient than the bureaucracy

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; an active listener;

answer; ///he could not explain why the continents drifted;

answer; southeast asians in the u.s.'