Most Important Rivers

Most important rivers worldwide, name the river based on the clue.

Either river works for question 2

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Last updated: September 2, 2022

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First submitted	September 2, 2022
Times taken	39
Average score	90.0%
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Clue	River
Longest river in the world	The Nile
One of two rivers that formed the cradle of civilization	Euphrates
River that was the birth of Chinese civilization	Yellow River
Extremely long river placed in Eastern South America	Amazon River
Longest River in the United States	Missouri River
Longest River in China	Yangtze
Long river in India sacred to Hindus	Ganges
River going through Switzerland, Germany, and the Netherlands	Rhine
Second longest river in North America, running north from the Southern United States	Mississippi
Longest river in Russia	Lena

Level 77

Sep 3, 2022

There is an issue with nomenclature. When the longest tributary of a river gets a different name from the parent (e.g. Missouri) then the total length of that river is the tributary plus the remaining length of the parent. Does that make sense? So, the longest river in the USA is not the Missouri but the Mississipi-Missouri. Also the Ob-Irtysh is longer than the Lena.

Level 32

Sep 3, 2022

This is a bit confusing of a subject for me, to be honest lol. I've seldom seen people count tributaries lengths as part of the original river's length, though, and looking up the longest river in the United States gives you the Missouri river. Perhaps you're correct, but I also am not going to correct it off something I can't easily tell is wrong, apologies.

As for the Ob-irtysh, I've looked up both of their lengths, asked Google which one is longer, etc.

So multiple sources say the Lena is longer.

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