Question

Write about the largest river system of North America.

Answer 1

Missouri: It begins in southern Montana in the Rocky Mountains, first flowing north then generally southeast across the heart of the United States, ending at the Mississippi River, just to the north of St. Louis, Missouri. It is the longest river in the United States (2,500 miles) (4,023 km).

Answer 2

Answer:

They slope northwards in Canada as proved by the flow of the river Mackenzie into the Arctic Ocean. In the United States, the slope of the plains is southwards and it is drained by the Mississippi-Missouri rivers, which flow into the Gulf of Mexico. The Mississippi-Missouri rivers form the largest river system in North America.