1. cotopaxi is the

smallest city in south america.

volcano located on "volcano boulevard."

highest waterfall in the world.

southernmost city of south america.

2. cerro tololo is home to

world's highest navigable lake.

one of the world's largest observatories.

highest waterfall in the world.

largest rain forest in the world.

What change took place in china's southwest region after the communists came to power? a) encouraged by government policies, the economic base of the region changed from agriculture to nòmadic herding. b) the communist government established a special economic zone in the region. c) the leader of the religion practiced in the region went into exile, d) the leader of the religion practiced in the region was executed.