Ravines are the result of extensive and deep erosion of soil by the running water In which of the fo...........

Geography Physiography of India

Ravines are the result of extensive and deep erosion of soil by the running water. In which of the following areas ravines are present in India?

1. Yamuna-Chambal Ravine Zone.

2. Along the banks of the Narmada.

3. Chota Nagpur region.

4. Shivalik Foothills.

Select the correct answer using the codes given below.

1 and 2 only

2, 3 and 4 only

3 and 4 only

All of the above

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Explanation:

A ravine is generally a fluvial slope landform of relatively steep (cross-sectional) sides, on the order of twenty to seventy percent in gradient. Ravines may or may not have active streams flowing along the downslope channel which originally formed them; moreover, often they are characterized by intermittent streams, since their geographic scale may not be sufficiently large to support a perennial watercourse. A ravine is a deep valley which is formed due to linear/dendritic fluvial erosion of loose unconsolidated and bare soils byes.