Sarah is expecting her first child. She and her husband both have schizophrenia. Their child's risk of developing schizophrenia is close to:

About 30% their child's risk of developing schizophrenia.

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.