What is the main cause of intensifying floods in- urban areas?
(a) Encroachment on natural drains is the main cause of intensifying floods in urban areas.
(b) Overpopulation on natural drains is the main cause of intensifying floods in urban areas.
(c ) Deforestation is the main cause of intensifying floods in urban areas.
(d) Garbage in drains is the main cause of intensifying floods in urban areas.
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Answer:
b) is the right answer.