The Great Rift Valley in Africa was created by .
A.
the movement of tectonic plates
B.
the spreading of the Sahara Desert
C.
the erosion of the Congo River
D.
the movement of glaciers during the last Ice Age

Which statement about congress is accurate? it contains only the house of representatives. the senate’s membership is based on a state’s population. it is bicameral, according to the constitution. membership in both houses is based on equal representation.