Why does science deal only with the natural world?.

Certification programs are offered by all of the following except

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

Cartels control the production and pricing of goods mainly through a) the elimination of competition. b) the cooperation of their members. c) the limitation of price controls. d) the manipulation of government pressure.