Question

Which is the longest river in North America?
A. Missouri
B. Mississippi
C. Rio Grande
D. Colorado

Answer 1

Hint:- North America is a continent largely expanding within the Northern Hemisphere. North America is the third-largest continent by an area of around 24,709,000 square kilometers (9,540,000 square miles). On the North, North America is surrounded by the Arctic Ocean, on the east by the Atlantic Ocean, on the southeast by South America and the Caribbean Sea, and on the west. North America's major rivers names as- Mississippi, Ohio, Rio Grande, Colorado, Hudson.

Complete answer:
The longest river in North America in Missouri. So A is the right answer. Missouri river originates from the Mountains of western Montana, it flows for 3,767 kilometers, before joining the Mississippi which is entirely in the US. The river drains at the semi-arid watershed of more than 500,000 square miles 1,300,000 km. When Missouri combined with the lower Mississippi River, it forms the world's fourth longest river system. So, the longest river in North America is the flow of the 3 rivers known as Mississippi, Missouri, and Jefferson River. Missouri‘s total length is 36,275 kilometers. Mississippi mostly flows into the Gulf of Mexico.

Hence, option (C) is the right option.

Note: Jefferson is a tributary come s out of the Missouri River. It is approximately 134 kilometers long. These 3 rivers combinedly Mississippi, Missouri, and Jefferson’s drainage area are about 2.98 million square kilometers and it drains the US and Canada.