19. (01.03 MC)
Mountain ranges most affected early human tribal groups by

(A) providing them with meeting places
(B) keeping them separate most of the time
(C) stopping the flow of water from higher elevations
(D) serving as places to build cities

(A) providing them with meeting places

(C) stopping the flow of water from higher elevations

Explanation:

i think it is one of those

the boundarys like convergent divergent and transform it causes subduction

should congress have the power to interpret the constitution? write a paragraph in which you argue for or against the wide application of the limplied power