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Subjects
Class 9GeographyDrainageRole of RiversMediumLevel 40
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What is the main reason for delta formation at a river mouth?

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Answer and explanation

Correct answer: Deposition of sediment when river speed decreases

At the mouth river energy decreases and sediments are deposited. Exam tip: remember delta with river deposition.

Related tags

DeltaRiver MouthSediment

Frequently asked questions

What is the correct answer to this question?

Deposition of sediment when river speed decreases

Why is this the correct answer?

At the mouth river energy decreases and sediments are deposited. Exam tip: remember delta with river deposition.

Which subject and chapter does this question cover?

This is a Class 9 Geography question. Chapter: Drainage. Topic: Role of Rivers.

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10 more MCQs
  1. 1What is the most important role of rivers?
  2. 2What is the biggest use of rivers in agriculture?
  3. 3What type of soil do rivers deposit in plains?
  4. 4Why did ancient civilizations develop along rivers?
  5. 5How do rivers help in electricity generation?
  6. 6Why are river floodplains generally fertile?
  7. 7When is a river more useful for transport?
  8. 8How do rivers help in fisheries?
  9. 9What is one domestic use of rivers?
  10. 10Why are many cities located on river banks?
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