Aims of mineral processing​

Look at the map above. which of the following statement is true

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.