The intensity of sound increases at night due toA. Increase in density of airB. Decreases in density of airC. Low temperatureD. None of these

The intensity of sound increases at night due toA. Increase in density

1.	The intensity of sound increases at night due toA. Increase in density of airB. Decreases in density of airC. Low temperatureD. None of these
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The intensity of sound increases at night due toA. Increase in density of airB. Decreases in density of airC. Low temperatureD. None of these

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