what energy or forces are associated with gas giants & what effect do they have on earth or other objects in the universe?

answer; ( action training environment;

barack obama

i love this guy

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.