In the desert, years go by with no at all.
sun

wind

rain

night

rain

Explanation:

the desert is a dry place

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; obey the closest relative's wishes;