प्राकृतिक तटबंध नदी किनारे ऊंचे क्यों बनते हैं?
Why are natural levees raised along river banks?
Explanation opens after your attempt
C. क्योंकि बाढ़ के समय भारी कण नदी किनारे पहले जमते हैंBecause heavier particles settle first near the channel during floods
Concept
During floods, velocity drops near the banks and heavier particles settle first. Link levees with flood deposition.
Why this answer is correct
The correct answer is C. क्योंकि बाढ़ के समय भारी कण नदी किनारे पहले जमते हैं / Because heavier particles settle first near the channel during floods. During floods, velocity drops near the banks and heavier particles settle first. Link levees with flood deposition.
Exam Tip
बाढ़ में नदी किनारे वेग अचानक घटता है और भारी कण पहले बैठ जाते हैं। परीक्षा में तटबंध को बाढ़ निक्षेप से जोड़ें।
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