What type of boundary is depicted in the image below?

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

When you cross a time zone going east what happens to the time

What is the border between layers a through f and layer g called?