alleryStart learning →Why does the Kosi river often flood badly and change its course?
AIts slope is very gentle due to silt
BIt flows only through a desert
CIts slope is extremely steep
DIt has dried up in summers
Answer & Solution
Correct answer: A. Its slope is very gentle due to silt
Long-term silt deposition has made the Kosi's slope very gentle, so water spreads out and the river shifts its course.
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