A low-gradient stream can suddenly develop into a high-gradient stream containing rapids or waterfalls.

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Pebbles

Social Studies

21 February, 22:33

A low-gradient stream can suddenly develop into a high-gradient stream containing rapids or waterfalls.

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Jayleen Malone · Answer 1

Gradient refers to the ratio of fall in elevation to the horizontal distance traveled.

A low gradient stream can suddenly be converted into the high-gradient stream when flows pass over the edge of gradually destroyed rock surface as it passes to a low level.

The inclusion of rock during the motion of the stream can change its gradient by altering its velocity.