Which is longest river on earth?
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Nile
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Indus
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Brahmaputra
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Ganga
A
Correct answer
Explanation
The Nile River is traditionally recognized as the longest river in the world at approximately 6,650 km, flowing through northeastern Africa. While there is some scientific debate about whether the Amazon River might be longer, the Nile is the accepted answer in most educational contexts. The Indus, Brahmaputra, and Ganga are all major rivers but significantly shorter.