The Practice of Fracking by the Oil and Gas Companies

Multiple Choice

The practice of fracking by the oil and gas companies produces saltwater as its by-product.The disposal of the saltwater can lead to earthquakes.What did the government of the state of Oklahoma do to reduce the number of earthquakes in the state?

A) It fined the oil and gas companies a certain fee per each earthquake.
B) It banned the practice of fracking.
C) It put a limit on how much saltwater the oil and gas companies could dispose of.
D) It let the market forces achieve the socially optimal outcome by themselves.