What is the semi-arid region south of the sahara known as?.

Compare demographic and environmental effects of the columbian

Which of the following events did not occur as a result of china’s open-door policy? a. trade between japan and china was encouraged. b. all countries were given equal access to chinese ports. c. foreign influence in china increased. d. the influence of the communist party weakened.

The chemical or mechanical process by which rock is gradually broken down eventually becoming soil