I would have to say its a very hot place to be. but being surrounded by desserts benefited in Egypt in fact that no one could attack or conquer them there. No group could ever cross the Sahara to get to Egypt for they would die half way in. over 40,000 sq kms (15000 sq miles) flowed through Egypt.
The answer is true
this question is something related to science
The answer is A
It will increase in wavelength. It will decrease in speed.