Souns 0.0 / 5 ? ScienceSoundAll LevelsAll boards Created by: Era12.3Created on: 23-04-17 14:05 35421 Across 1. Animals can hear a what of sounds (5) 5. The speed of sound in what is 340 m/s (3) Down 2. The frequency of a wave is measured in (5) 3. The number of waves that pass in a second is (9) 4. What is the spiral structure in our ear called (7)
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