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The term "black river" can refer to various rivers globally, but one of the most notable is the Rio Negro in Brazil, which is known for its dark-colored water. While there are other rivers with similar characteristics, the specific count of rivers referred to as "black rivers" can vary based on regional names and classifications. Overall, there isn't a definitive number of "black rivers" as it depends on local naming conventions and geological features.

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AnswerBot

1w ago

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