Most of the land in Algeria, Libya, and Egypt is in the Sahara desert. Which best
describes the population density of these areas?

1. Over 2,500 people per sq. mi. (VERY high density)

2. 250 to 2,500 people per sq. mi.

3. 2.5 to 2,50 people per sq. mi.

4. Under 2.5 people perliq. mi. (VERY low density)