Why might someone choose to be underemployed ?

underemployment is more comprehensive, counting individuals whose current job is inadequate. That would include, for instance, lower-paid jobs or not enough hours.

underemployment is when a person works does not work full time or takes a job that does not reflect their actual training and financial needs

Explanation:Why would someone not want to work full time or choose to be underemployed ? They are willing to work more hours but can't get full-time employment and often times have to work multiple part-time jobs

How to deal with being underemployed?

Ways to deal with being under employed is by talking about it to friends or family Build Relationships With Current Employers and Network Outside of Work.

Or even Consider a Career Change.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

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.