Paxton was working on a poster of the sea-flooring spreading process. He began with mid-ocean ridges and ended with ocean trenches. Which best describes the order of the ages of the rock on his poster?

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.