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Subject :NSO    Class : Class 5

Which of the following statements is correct?

A Installing catalytic converters in automobiles reduce vehicular exhaust.
B Manures used to increase crop yield causes air pollution.
C Water pollution leads to soil erosion.
D Afforestation destroys habitat of land animals.

Ans 1:

Class : Class 5
how is d correct deforestation destroys habitats while afforestation is planting trees which does the opposite.the answer is a

Ans 2:

Class : Class 4
i am not satisfied with the answer D is also correct

Ans 3:

Class : Class 7

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