According to the Supreme Court, an Oklahoma law that required coal-burning power plants in the state to burn at least 10 percent Oklahoma-mined coal is an example of:
a. an unconstitutional law b. a constitutional law
c. a business law d. a justified law e. a federal law
Question 2
Which of the following state statutes were not held to be unconstitutional:
a. an Oklahoma law requiring coal-burning plants to burn at least 10 percent Oklahoma coal b. a Washington law regulating oil tanker design and operations
c. an Alabama law charging a special fee for hazardous waste imported into the state
d. an Arizona law restricting the length of trains in the state e. all of the other choices were unconstitutional
