Ec:Sys.That organises the use ofa country resor.-Ec.Sys:A way to organise the economy of a society.-Business:Are the basic units for prod. Econ. Goods.-S-50,M-250,L+251.-Owner(public,priv,mixed).-Social org(indiv,group)S.O Types: P.L.C:capital divided into shares. Ltd:capital small number of partners. Cooperatives:capital by a collective. Elements provided by nature that have an economic use.Types>Renewable:Solar energy,animals,sun,water...No-R>oil,minerals,coal...Technology>is a comb of a knowledge, methods and procedures:manual,mechanised,automatics.