Question

Which of the following activities will prove to be effective in preventing floods?

i. Removing the topsoil

ii. Afforestation

iii. Construction of dams

iv. Cutting of trees

Choose the correct option from the following.

पर्याय

• (i) and (iv)

• (ii) and (iii)

• (iii) and (iv)

• (ii) and (iv)

Answer 1

(ii) and (iii)

Explanation: 

Planting more trees and building more dams help to combat floods.