<span>A statistic
The author cites "a recent study" which produces a statistic as public speaking being a #1 fear.</span>
<span> Scientists keep track of the change of population numbers to make decisions about issues that affect certain populations.</span>
Answer:
The mother is a house cleaner.
Explanation:
While the third response shows the mother of that family doing a job that does not pay well, the other three responses do not. The first and second show that the family has plenty of money and the last answer implies that the family has plenty of chance for they live in America.
Hope this helps!
