How did the deserts that surround both Egypt and Mesopotamia help these civilizations grow?

The deserts helped the Egyptians because the deserts have scorching heat. The large desert areas were not favorable to humans or animals. This kept Egypt isolated from outside invaders. The Nile River's physical features also provided protection.

The deserts help with easier access to trade

deists, human beings can know god only via reason and the observation of nature, but not by revelation or by supernatural manifestations

hope this

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.