You run into you psychology teacher at a baseball game after you have completed his course. You cannot remember why you know him. This illustrates the concept of .

always include the steps and/or background required to get to the final answer. let’s other people understand and solve future problems on their own.

answer; ///first they would cross the atlantic ocean, and end up either in europe or africa; good luck

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.