Which of the following measure(s) are to be taken before a flood strikes?
A
Afforestation
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B
Deforestation
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C
Dam construction
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D
Embankment construction
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Solution
The correct options are A Afforestation B Deforestation C Dam construction Afforestation means planting trees on the banks of the rivers or their catchment area to reduce the runoff. Dams should be constructed across rivers to help contain the volume of the water in the river. Embankments should be built around water bodies to stop the water from flooding the surrounding areas.