What do free entry and exit refer to?
a. the ability of businesses to hire and fire staff as needed for rising and falling levels of production
b. the ability of businesses to begin or end production and sales according to profitability
c. the entry of mergers and exit of small producers common in perfectly competitive markets
d. the repetitive process of the rise and fall of demand in the marketplace?

Which statement is correct ? a. aborigines were the first people to settle australia and new new zealand. b.aborigines were the first people in australia,and maori were the first people in new zealand c. the maori were the first people in australia, and aborigines were the first people in new zealand . d.the aborigines and the maori descended from the polynesians, the first people to settle australia and new zealand.

Federalism began to spread super soon after

American s often refer to a country that is not the u.s as a a( domestic), or b(foreign)