The Nile River valley has the greatest concentration of population in Egypt because of it's: a. alpine climate
b. tourist attractions
c. extensive in-migration from nearby areas
d. many. sacred sites
e. high-quality agricultural land

Venezuela’s economy relies most heavily on which of the followingvenezuela’s economy relies most heavily on which of the following? a. oil reserves in places such as the eastern llanos b. cattle ranching in the grasslands c. fertile farmland in the andean highlands d. coffee plantations in mountainous areas