The Dust Bowl that occurred in America in the 1930s is a dramatic example of erosion caused by A deforestation
B. overgrazing
C. climate change
D agricultural cultivation

Drastic boundary changes can occur for all of the following reasons except for a. a shift in the way a river flows b. the collapse of a government system c. a conflict between two neighboring groups d. one country's decision to sell land to another country select the best answer from the choices provide

Major river of southeast asia flowing through laos thailand vietnam and cambodia

Hong kong, south korea, taiwan, and singapore are sometime referred to as the "four " because of their rapid industrial economic growth.