Answer:
The correct answer is "Waste that is toxic, flammable, corrosive, explosive, or radioactive"
Explanation:
Hazardous waste is Waste That Is Toxic, Flammable, Corrosive, Explosive, Or Radioactive.
It was meant to warn Americans against potential peril in the wake of the 1890 census which coldly stated that there was no longer unexplored wilderness in America (sans Alaska), that there was no longer a contiguous frontier, there was also not an official statement saying that the frontier had been closed because it was merely hearsay.
The rules of the government are described in the Constitution of a country - the correct answer is 1).
For example, the constitution of the United States describes the rules of the government in the first three articles - one per each branch of the government.