What was the effect of industrialization on the population of the United States? A. More people moved to Southern states to work in factories.
B. Fewer people moved to urban areas.
C. More people lived in urban areas than rural areas.
D. More people began moving to cities

C.

Explanation: The industrial revolution caused rapid urbanization in America, with people moving from the countryside to the cities in droves. So the answer in C

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.

you probably know the answer. stop asking stupid questions and making me waste my time. j.k. ; )   b.t.w. what are three ratios equivalent to 5 : 11? thx