What problems do mapmakers face when making maps?

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

The “twelve apostles” are in which national park?

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution