Which river is a tributary of the Mississippi?
Missouri River
Columbia River
Rio Grande
Potomac River
Missouri is the longest tributary of the Mississippi River, it constitutes to 40% of its watershed. However, it is not the largest tributary by volume - more water is brought by the Ohio River.
reach: rather globalgeographyMississippiNorth AmericariversUnited States
Answers by country
Missouri River
Columbia River
Rio Grande
Potomac River
answers
France
43
Italy
420
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92
the United States
350
Canada
31
Switzerland
23
Unknown
23
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83
Austria
55
Republic of Ireland
21
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34
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7703
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57
Greece
33
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246
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159
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60
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48
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50
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45