Q. 7 A5.0( 2 Votes )

Consider the following statements and choose the right option given below:

i. ‘I’ shaped valley is an erosional feature of the river.

ii. ‘U’ shaped valley is an erosional feature of the glacier.

iii. ‘V’ shaped valley is an erosional feature of the glacier.

a. i, ii and iii are right

b. i and ii are right

c. i and iii are right

d. Only i is right

Answer :

The river falls down from the steep mountain slopes and cliffs. Higher the steep of the mountain, higher will be the speed and pace of the fall and greater will be the force to broaden and extend the river valley resulting in erosion of many elements. V-shaped valleys, gorges, waterfalls, canyons and rapids are the major features associated with this course. Glaciers are huge masses of snow that is transported, accumulated and deposited in other regions due to the action of natural agents. Erosion and deposition are also caused by the actions of glaciers. It is also known as the river of ice. U-shaped valley is the valley that is formed by the erosive action of glaciers. It occurs when the glaciers move down a river valley.

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