Multiple choice

Floods can be checked by growing

  1. Shrubs on river banks

  2. Trees on river banks

  3. both (a) & (b)

  4. None
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Flood prevention through vegetation works because plant roots hold soil in place, prevent erosion, and slow down water runoff. While both shrubs and trees on river banks help achieve this, shrubs generally have denser, more fibrous root systems that are particularly effective at binding soil particles together near the surface.

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