Conduction is the method of transfer of heat in: (1 Point)

solids

liquids

gases

vaccum

The answer of your question is solid s

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.