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प्रश्न
State and explain the classification of mass movements.
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उत्तर
Mass movements are divided into slow and rapid movements. Slow movement includes Creep, movement of soil and debris and Solifluction or clay formation Rapid movement includes landslide, Earth Flow or a heavy thick paste of soil down the slope, Mud Flow in the areas without vegetation cover and Sheet Wash in the form of large sheet flow snatching thick rock strata uncovering the rocks below. It may also take place by human activities of settlement.
A mass movement has built many remarkable landforms as Himalayan lakes, Terraces, escarpment, etc
संबंधित प्रश्न
Which is the most important effect of weathering?
Make a chart for your classroom showing the causes of different types of weathering.
Give a technical term for the following:
Disintegration or decomposition of rock.
Give a technical term for the following:
Expansion of minerals in rocks on coming into contact with rainwater.
Define weathering.
How is humus formed?
What are different types of soil according to their texture?
Give reasons for the following :
Grassland soils are less acidic than forest soils.
Give a geographical reason:
Oxidation changes the size and colour of the rocks.
Which one of the following materials is affected by hydration process?
