What is urbanization?
a. a process in which an increasing number of people move to cities and suburbs
b. a process in which the rural population of a region grows
c. a process in which the world's number of megacities decrease
d. a process in which a decreasing number of people live in developed regions

The african continent is home of the worlds largest desert and longest river . t or f

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel