CBSE BoardEnglish MediumSTD 9Social StudiesDrainage3 Marks
Question
What does ‘drainage’ mean? What is a ‘drainage basin’?
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Answer
The term ‘drainage’ means the river system of an area.
Some small streams flowing from different directions come together to form the main river, which ultimately drains into a large water body. The area drained by a single river system is called a ‘drainage basin’.
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