Astudent who grew up in a tropical country and is studying in the united states may have no experience with static electricity sparcs and shocks until his or her first american winter. why is that so?

answer; cultural trait;

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.