Can you pass this 1960s quiz?
Which river caught on fire multiple times in 1969, which resulted in the Clean Water Act, Great Lakes Water Quality Agreement, and the creation of the federal Environmental Protection Agency?
The Maumee River
The Cuyahoga River
The Tuscarawas River
The Muskingum River
Hot Quizzes Trending Now
History
4.7 M Players
Which scientist developed his theories of black holes in the 1970s?