Which features were most commonly used in Islamic art and architecture? 1.minarets
2.calligraphy writings
3.human forms
4.arches and arch patterns

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.

answer; biological;

answer; the digital divide;