Why should you give effort and thought when composing the body of your cover letter? 0 You may have just one chance to make an impression.
You are trying to convince the employer that you are the best person for the job.
Spelling or grammar mistakes can cost you the job.
O all of the above

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; lead-based paint;

answer; heredity ;

answer; lexical approach;