a. can only be achieved for uniformly-mixing pollutants O b. minimizes the net benefits from pollution O c. maximises the net benefits from pollution A cap-and-trade emission permits scheme for a uniformly mixing pollutant involves Select one: O a. relocation of all emission sources. O b. a prohibition of trading emission permits. O C. a guarantee that emission permits can be freely traded between firms at whichever price is agreed for that trade.Mixing of a pollutant refers to Select one: O a. its persistence over time O b. the extent to which physical processes cause the pollutant to be dispersed or spread out. O c. whether the pollutant is rivalrous and excludable An efficient level of emissions is one that Select one: O a. can only be achieved for uniformly-mixing pollutants O b. minimizes the net benefits from pollution O c. maximises the net benefits from pollutionIn an emission reduction credit (ERC) system, if a source emits less than its calculated baseline level Select one: O a. it is charged some prohibitive non-compliance penalty. O b. it earns a corresponding amount of emission reduction credits. O c. it is Pareto efficient. The Net Benefits of an economic activity are equal to Select one: O a. costs minus benefits O b. benefits minus costs O c. costs plus benefits