Merlin is 23 years-old and works in an entry-level sales position at a local company. If he is typical, in the next few years, he will .

Change jobs, likely few times

Explanation:

The researches prove that younger people are prone to changing jobs more frequently, especially in recent years and the economy.

Entry positions in areas such as sales are usually temporary jobs for young people who are likely looking for something more serious, maybe even while finishing the studies, or finding something in their study area of expertise.

Young people are not afraid to change to a job with which they are not satisfied as they know there are many opportunities open for them yet.

Therefore, judging b researchers it is likely that a 23-years old person that is at entry-level position ill change jobs a few times in the next few years.

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.