What type of stream valley forms in mountainous areas?

Answer 1

Steep V shaped sided valleys unless in glacial areas; in this case the stream will be at the bottom of a large U shaped valley.

In mountainous regions, streams typically follow faults or other lines of weakness in the rocks, eroding the surrounding terrain to form their bed.

Due to the steeper altitude gradient, rivers flowing through mountains have a higher energy of water, which causes the river to flow faster and erode deep "V" shaped valleys or gorges.

Some regions (such as Scotland's Highlands) have rivers that flow on the bottom of large "U" shaped valleys that were carved out by glaciers during the last ice age, even though these valleys are mountainous.

The river will likely change its morphology once it reaches the plain at the foot of the mountains, becoming slower and possibly forming a braided pattern with multiple shallow channels that split and recombine.

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Answer 2

Audrey Adams

A V-shaped valley forms in mountainous areas.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.