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The decibel (dB) scale starts at 0 decibels. What does 0 db represent? No sound at all, zero sound. The quietest sound that can be

The decibel (dB) scale starts at 0 decibels. What does 0 db represent? No sound at all, zero sound. The quietest sound that can be made. The quietest sound a human can hear. Zero Joules of energy in the sound wave

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