A stream.
A large natural stream, which may be a waterway.
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A natural stream of water larger than a creek and emptying into an ocean is called a river. The longest river in the world is the Nile River in Africa.
Stream capture is when the upper portion of a river basin is diverted from one river basin to another by means of natural erosion.
A river.
One of the key differences between environmental science and natural science is that environmental science is a cause of man and natural science is a cause of nature. For example, the stream is pure (natural) and man uses a motor boat to cross the stream (environmental).
The channel through which a natural stream of water runs or used to run
There are two answers to this question based upon the way it is written. A. A large natural stream of water emptying into a large "body" is called a river; and B. A large natural stream of water emptying into a larger body can be called a tributary. Normally this is a smaller river than the "large body". Thus the Missouri River is a tributary of the Mississippi River.
Flood stage.
No. A dam is a man-made structure that collects water by reducing the natural flow of a river or stream. Water, however, which the dam holds back, is a natural resource.