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प्रश्न
Sound becomes hazardous noise pollution at decibels ______.
विकल्प
above 30
above 80
above 100
above 120
MCQ
रिक्त स्थान भरें
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उत्तर
Sound becomes hazardous noise pollution at decibels above 80.
Explanation:
Sound above 80 decibels (dB) is generally considered hazardous and can cause harmful effects on hearing, especially with prolonged exposure.
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