The continual change of soil layers in floodplains is a result of what?
Answer and explanation
Correct answer: Deposition of sediments by a river at different times
During floods, rivers deposit sediments of different sizes, such as sand, silt and fine clay. Since the speed and volume of water may differ in each flood, the composition of newly formed alluvial layers also changes. Sea storms mainly affect coastal areas; river deposition is the main cause of changing layers in floodplains. Exam tip: Associate floodplains and alluvial soil with river deposition.
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What is the correct answer to this question?
Deposition of sediments by a river at different times
Why is this the correct answer?
During floods, rivers deposit sediments of different sizes, such as sand, silt and fine clay. Since the speed and volume of water may differ in each flood, the composition of newly formed alluvial layers also changes. Sea storms mainly affect coastal areas; river deposition is the main cause of changing layers in floodplains. Exam tip: Associate floodplains and alluvial soil with river deposition.
Which subject and chapter does this question cover?
This is a Class 9 Geography question. Chapter: Physical Features of India. Topic: The Northern Plains.
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