What is the earth's outer core made of?

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

Where does oxidative phosphorylation take place

Which feature of a map shows the relationship between a distance on a map and that distance on earth? key scale grid system compass rose