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Stringent following of laws laid down relation to noise need to be enforced to protect ourselves from noise pollution. These laws are a. Delimitation of horn-free zones around hospitals and schools b. Permissible sound-levels of crackers c. Permissible sound-levels of loudspeakers d. Timing after which loudspeaker cannot be playedA. a, b and dB. b, c and dC. a, b and cD. a, b, c and d |
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Answer» Correct Answer - D Stringent following of laws laid down relation to noise need to be enforced to protect ourselves from noise pollution. These laws are a. Delimitation of horn-free zones around hospitals and schools b. Permissible sound-levels of crackers c. Permissible sound-levels of loudspeakers d. Timing after which loudspeaker cannot be played |
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