This desert is found in the northern part of africa and covers 3.5 million square miles.

The model of human settlement suggests that uthe model of human settlement suggests that urban growth is patterned around transportation networks such as railroads and highways. a. burgess b. hoyt c. sauer d. von thunenrban growth is patterned around transportation networks

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

Which of the following is evidence to the past existence of glaciers?