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GEOGRAPHY CH5 Hazards — Social Science STD 8 — Question

Tamilnadu BoardEnglish MediumSTD 8Social ScienceGEOGRAPHY CH5 Hazards2 Marks
Question
What are the major causes of floods?
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Answer

The major causes of floods are:
Meteorological factors
  • Heavy rainfall
  • Tropical cyclones
  • Cloudburst Physical factors
  • Large catchment area
  • Inadequate drainage arrangement
Human factors
  • Deforestation
  • Siltation
  • Faulty agricultural practices
  • Faulty irrigation practices
  • Collapse of dams
  • Accelerated urbanisation.

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