Answer:
precipitate
Explanation:
A precipitate is a solid product that forms from a reaction and settles out of a liquid mixture. The formation of a precipitate may also indicate the occurrence of a chemical reaction
Growth, population size, population studies, population vital statistics
I believe the answer is: Urbanization increased
Urbanization refers to the process of people moving from a suburban area to urban areas. The number of urbanization start increasing since the industrialization due to the availability of job openings in urban area was way surpassed the suburban area.
The answer would be b because he is the one telling the story about his life experience