Why is potassium hydroxide solution can't be used to detect Carbon (Vi) oxide

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

Why is terracing used in southeast asian agriculture?

What factors influenced brazil's current and future economic strength?