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WHEN A SOUND IS LOUDER THAN ………DECIBELS, IT CAN CA...
WHEN A SOUND IS LOUDER THAN ………DECIBELS, IT CAN CAUSE POLLUTION.
BAI KT GIAO AN L8 MOI
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1, When a sound is louder than ………decibels, it can cause pollution.
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BAI KT GIAO AN L8 MOI