Which river is located in Africa and is the world's longest river, at 4.160 miles? A. the Amazon River B. the Congo River C. the Niger River D. the Nile River​

Need answer select the correct answer. what was one of the first countries in the region to be claimed by european colonizers? a. myanmar (burma) b. thailand c. laos d. the philippines

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

South america is located within which hemisphere?