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Subject :NSO    Class : Class 6

Which of the following would help us to reduce the amount of water brought from other countries ?

(i) Boiling water after use

(ii) Recycling water

(iii) Obtaining water from the sea

(iv) Building more reservoirs to collect rainwater

(A) (ii) only

(B) (i) & (iii)

(C) (ii) & (iv)

(D) (ii), (iii) & (iv).

Ans 1:

Class : Class 8
I think option d is correct

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