ocr: Decibels (dB) Chemical Elemer Christmas Reindel The loudness of a sound is measured by the size of Clothing Sizes its vibrations. Continents A2 20dB sound is ten times louder than a 10dB Decibels (dB) sound; a 30dB sound is 100 times louder than that. Deepest Caves Dog Years OdB 30dB Soft Human whisper minimum at 5m audibility Earth's Make-up Earthquakes Suchen: 14/90 Egg Sizes
