The Cuyahoga River in Ohio had been so polluted that it caught fire repeatedly from 1868-1969,including a 1952 fire that resulted in nearly $1.5 million in damages.Amazingly,other rivers in the United States also caught fire during this period.
-These fires on the Cuyahoga River raised concerns that contributed to

Question

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The passage describes the repeated fires on the Cuyahoga River that resulted from pollution, which raised concerns that led to the passage of the Clean Water Act of 1972. This Act aimed to regulate and enforce the discharge of pollutants into the nation's waters, including the creation of technology-based standards for industries and strict penalties for non-compliance. The other choices are not directly relevant to the context of the passage.

The Cuyahoga River in Ohio Had Been So Polluted That