Answer:
if the rest of the question is "... population density of fewer than two people per square mile", the answer is California, Iowa and Minnesota.
A is the correct answer because I googled it. Welcome.
Answer:
d. Downward mobility
Explanation:
Downward mobility is to move to a lower social level because people have a decrease in income or wealth and lose status or job. So, in the recession when people lost their jobs and their houses and quit spending money, they experienced downward mobility.
