The focus of an earthquake is a point: a. on the earth’s surface where the initial release of seismic energy occurs. b. on the earth’s surface where seismic waves are reflected downward. c. within the earth where the initial release of seismic energy occurs. d. within the earth where seismic waves are reflected downward.

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.