Which is the longest river in the world?
a) Amazon River
b) Nile River
c) Mississippi River
d) Yangtze River
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Answer: b) Nile River
Explanation
- Nile River: Stretching over approximately 6,650 km (4,132 miles), the Nile River in Africa is universally recognized in geography curricula and competitive exams as the longest river in the world.
- Course: It flows northward through northeastern Africa—spanning 11 countries including Egypt, Sudan, and Uganda—before emptying into the Mediterranean Sea.
- Main Tributaries: Its primary tributaries are the White Nile (originating in equatorial East Africa) and the Blue Nile (originating at Lake Tana, Ethiopia).
Overview of Other Options
- a) Amazon River (~6,400 km): Located in South America, it is the largest river in the world by water volume (carrying more water than the next seven largest rivers combined) and the second-longest river overall.
- c) Mississippi River (~3,730 km): The chief river of the second-largest drainage system in North America, flowing south to the Gulf of Mexico.
- d) Yangtze River (~6,300 km): Located in China, it is the longest river in Asia and the third-longest river in the world.
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