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Subject :NSO    Class : Class 6

Study the given Venn diagram.

Following statements represent the causes of different kinds of pollution. Which of the following statements hold true for the given Venn diagram?
(i) Factory discharge coming out of a chimney can be included in R.
(ii) Construction work going on at a building site can be included in Q.
(iii) Youngsters dancing in a disco can be included in O.
(iv) Vehicles moving on roads can be included in O.

A(i) and (ii)
B(ii) and (iii)
C(ii) and (iv)
D(ii), (iii) and (iv)

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