What are 5 of washintons land regions

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 city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal

When you start from a given set of rules and conditions and determine what must be true you are using blank reasoning