Interfering with the transportation of oxygen and dulling the mental performance of a person are two of the effects of:

Carbon Monoxide.

Explanation:

Carbon Monoxide can cause lowered thinking ability, less energy to work, headaches, vomiting, and even death, are common side affects of Carbon Monoxide poisoning.

on these days , humidity is very f.) high

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.