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In which year, the Air Prevention and Control of pollution act were amended to include noise as air pollution?

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1987

1990

1972

1981

answer is C.

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Detailed Solution

Concept: The Air Prevention and Control of pollution act came into force in 1981, later it was amended to include noise as air pollutant in 1987.

Substances that cause air contamination are named air contaminants.
The substances which bring undesirable change in the composition of air are air pollutants.
Air pollution is both natural and anthropogenic (human activities).

Hence, the correct answer is option C.

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