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Which is the longest river in the USA ?

Yukon
Amazon
Mississippi
Missouri

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With a length of 3,767 km , Missouri is the longest river in the USA and 15th longest in world. The river flows east and south where it meets Mississippi River. The river was formed around 115,000 years ago. The drainage area of Missouri is 529,350 square miles which is one-sixth of the entire United States.

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Which is the uppermost zone at the source of the river ?

Crenon
Rhithron
Potamon
None

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The crenon is the uppermost zone at the source of the river. The eucrenon and hypocrenon are further parts of crenon. Eucrenon is known as spring or boil zone and hypocrenon is known as brook or headstream zone. These 2 areas are characterized by slow moving water, reduced oxygen content and low temperatures.

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Studying the flows of rivers is called ?

Piology
Geology
Hydrology
Psycology

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Which river do not flow in USA and Canada ?

Detroit
Halls
Niagara
Colorado

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12 rivers flow in both USA and Canada. Colorado River flows in USA and Mexico

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The given Si-o-se Pol Bridge crosses which river ?

pol_bridge.jpg
Mellat Bridge
Zayandeh
Thames
Isfahan

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Zayanderud river is the river flowing in Iran. Having a basin area of 41,500 square kilometres, the river is the source of life for central Iran. The above bridge is one of the most famous examples of Safavid bridge design.

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The given George Washington Bridge crosses which river ?

George_Washington_Bridge.jpg
Hudson
Zayandeh
Thames
East

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In the flow of river, when it gets wider and slows down is known as

Middle Aged
Young
Old
New

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The beginning of a river, when it flows quickly with lots of energy, is called a young river. Then comes middle age.

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An artificial wall built across a river in order to make the river deeper in known as what ?

Weirs
Meander
Estuary
Flood Plain

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A weir is a block across a river which aims to alter its flow characteristics. It can be known as a small dam in a river or stream.

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What river flows through the capital of the United States ?

Tiber
Colorado
Potomac
Volga

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What river flows through the capital city of England ?

Tiber
Colorado
Potomac
Thames

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Thames river is longest in England and second longest in United Kingdom. Along with London, the river flows though Reading, Oxford, Henley-on-Thames and Windsor.

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