In countries with a negative natural increase rate, such as former states of the Soviet Union, the high crude death rate has been attributed in part to
- a lack of water
- pollution
- pestilence
- famine
- evolving disease

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

Which statements are accurate about snow flakes

Which of the following statements about wearher along mountain ranges is correct