SSC
PHYSICAL GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Wearing away of land by rivers, sea, ice, and wind.
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Laying down of material that has been carried by rivers, glaciers, and the sea.
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Natural features formed by rivers, the sea, ice, and volcanoes.
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None of the above
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Detailed explanation-1: -Erosion is the geological process in which earthen materials are worn away and transported by natural forces such as wind or water. A similar process, weathering, breaks down or dissolves rock, but does not involve movement.
Detailed explanation-2: -Erosion is the process by which soil and rock particles are worn away and moved elsewhere by gravity, or by a moving transport agent – wind, water or ice.
Detailed explanation-3: -Wind erosion processes The three processes of wind erosion are surface creep, saltation and suspension. Characteristics of each are outlined below. Surface creep-in a wind erosion event, large particles ranging from 0.5 mm to 2 mm in diameter, are rolled across the soil surface.
Detailed explanation-4: -Erosion is the process that wears away the river bed and banks. Erosion also breaks up the rocks that are carried by the river. There are four types of erosion: Hydraulic action-This is the sheer power of the water as it smashes against the river banks.