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The incorrect statement(s) among (a) – (d) regarding acid rain is (are): (a) It can corrode water pipes (b) It can damage structures made up of stone (c) It cannot cause respiratory ailments in animals (d) It is not harmful for trees

1. (1) (c) only
2. (2) (c) and (d)
3. (3) (a), (b) and (d)
4. (4) (a), (c) and (d)

Correct answer: (2) (c) and (d)

Solution

Statements (c) 'cannot cause respiratory ailments' and (d) 'not harmful for trees' are false, since acid rain causes respiratory problems and damages vegetation; (a) corroding pipes and (b) damaging stone are true. So the incorrect statements are (c) and (d).

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