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Which major river system's vast watershed covers more than 40% of the continental United States, flowing through over 30 states?

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The Mississippi River system, including its tributaries like the Missouri and Ohio rivers, drains an immense area covering roughly 41% of the contiguous United States, making it one of the largest watersheds globally.

A. Colorado River System

B. Columbia River System

25%

C. Mississippi River System

66%

D. Rio Grande System

Which major river system's vast watershed covers more than 40% of the continental United States, flowing through over 30 states?

Answer Explanation

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